1394427960 has 160 divisors (see below), whose sum is σ = 4787069760. Its totient is φ = 363896064.

The previous prime is 1394427949. The next prime is 1394427989. The reversal of 1394427960 is 697244931.

It is a happy number.

1394427960 is a `hidden beast` number, since 139 + 4 + 427 + 96 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 147702 + ... + 156858.

It is an arithmetic number, because the mean of its divisors is an integer number (29919186).

Almost surely, 2^1394427960 is an apocalyptic number.

1394427960 is a gapful number since it is divisible by the number (10) 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 1394427960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2393534880).

1394427960 is an abundant number, since it is smaller than the sum of its proper divisors (3392641800).

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

1394427960 is a wasteful number, since it uses less digits than its factorization.

1394427960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9227 (or 9214 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 1394427960 is about 37342.0401156659. The cubic root of 1394427960 is about 1117.2028307616.

The spelling of 1394427960 in words is "one billion, three hundred ninety-four million, four hundred twenty-seven thousand, nine hundred sixty".