1394331432 has 64 divisors (see below), whose sum is σ = 3974806080. Its totient is φ = 403786752.

The previous prime is 1394331413. The next prime is 1394331443. The reversal of 1394331432 is 2341334931.

It is a junction number, because it is equal to n+sod(n) for n = 1394331393 and 1394331402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126138 + ... + 136745.

It is an arithmetic number, because the mean of its divisors is an integer number (62106345).

Almost surely, 2^1394331432 is an apocalyptic number.

1394331432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1394331432 is an abundant number, since it is smaller than the sum of its proper divisors (2580474648).

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

1394331432 is a wasteful number, since it uses less digits than its factorization.

1394331432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262922 (or 262918 counting only the distinct ones).

The product of its digits is 23328, while the sum is 33.

The square root of 1394331432 is about 37340.7476090129. The cubic root of 1394331432 is about 1117.1770510521.

The spelling of 1394331432 in words is "one billion, three hundred ninety-four million, three hundred thirty-one thousand, four hundred thirty-two".