1620932932 has 24 divisors (see below), whose sum is σ = 3025118880. Its totient is φ = 757299840.

The previous prime is 1620932927. The next prime is 1620932947. The reversal of 1620932932 is 2392390261.

It is a junction number, because it is equal to n+sod(n) for n = 1620932891 and 1620932900.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76294 + ... + 95197.

It is an arithmetic number, because the mean of its divisors is an integer number (126046620).

Almost surely, 2^1620932932 is an apocalyptic number.

It is an amenable number.

1620932932 is a deficient number, since it is larger than the sum of its proper divisors (1404185948).

1620932932 is a wasteful number, since it uses less digits than its factorization.

1620932932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171651 (or 171649 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 1620932932 is about 40260.8113678798. The cubic root of 1620932932 is about 1174.6857000310.

It can be divided in two parts, 162093 and 2932, that added together give a triangular number (165025 = T₅₇₄).

The spelling of 1620932932 in words is "one billion, six hundred twenty million, nine hundred thirty-two thousand, nine hundred thirty-two".