1392627952 has 40 divisors (see below), whose sum is σ = 2852562960. Its totient is φ = 656801280.

The previous prime is 1392627949. The next prime is 1392627953. The reversal of 1392627952 is 2597262931.

It is a super-2 number, since 2×1392627952² = 3878825225383428608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392627953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61002 + ... + 80662.

It is an arithmetic number, because the mean of its divisors is an integer number (71314074).

Almost surely, 2^1392627952 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 1392627952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1426281480).

1392627952 is an abundant number, since it is smaller than the sum of its proper divisors (1459935008).

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

1392627952 is a wasteful number, since it uses less digits than its factorization.

1392627952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19921 (or 19915 counting only the distinct ones).

The product of its digits is 408240, while the sum is 46.

The square root of 1392627952 is about 37317.9307036175. The cubic root of 1392627952 is about 1116.7219071606.

The spelling of 1392627952 in words is "one billion, three hundred ninety-two million, six hundred twenty-seven thousand, nine hundred fifty-two".