1394522352 has 160 divisors (see below), whose sum is σ = 4176875520. Its totient is φ = 444960000.

The previous prime is 1394522351. The next prime is 1394522377. The reversal of 1394522352 is 2532254931.

1394522352 is a `hidden beast` number, since 13 + 94 + 522 + 35 + 2 = 666.

It is a super-2 number, since 2×1394522352² = 3889385180455223808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394522351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1352077 + ... + 1353107.

It is an arithmetic number, because the mean of its divisors is an integer number (26105472).

Almost surely, 2^1394522352 is an apocalyptic number.

1394522352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1394522352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2088437760).

1394522352 is an abundant number, since it is smaller than the sum of its proper divisors (2782353168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1394522352 is a wasteful number, since it uses less digits than its factorization.

1394522352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180 (or 1168 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 1394522352 is about 37343.3039780896. The cubic root of 1394522352 is about 1117.2280388597.

The spelling of 1394522352 in words is "one billion, three hundred ninety-four million, five hundred twenty-two thousand, three hundred fifty-two".