1394071952 has 240 divisors, whose sum is σ = 3728511360. Its totient is φ = 498161664.

The previous prime is 1394071951. The next prime is 1394071969. The reversal of 1394071952 is 2591704931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394071951) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4453748 + ... + 4454060.

It is an arithmetic number, because the mean of its divisors is an integer number (15535464).

Almost surely, 2^1394071952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1394071952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1864255680).

1394071952 is an abundant number, since it is smaller than the sum of its proper divisors (2334439408).

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

1394071952 is a wasteful number, since it uses less digits than its factorization.

1394071952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 1394071952 is about 37337.2729588008. The cubic root of 1394071952 is about 1117.1077458930.

The spelling of 1394071952 in words is "one billion, three hundred ninety-four million, seventy-one thousand, nine hundred fifty-two".