1642924392 has 32 divisors (see below), whose sum is σ = 4202832480. Its totient is φ = 534905280.

The previous prime is 1642924373. The next prime is 1642924411. The reversal of 1642924392 is 2934292461.

It is an interprime number because it is at equal distance from previous prime (1642924373) and next prime (1642924411).

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, 794959 + ... + 797022.

It is an arithmetic number, because the mean of its divisors is an integer number (131338515).

Almost surely, 2^1642924392 is an apocalyptic number.

1642924392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1642924392 is an abundant number, since it is smaller than the sum of its proper divisors (2559908088).

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

1642924392 is a wasteful number, since it uses less digits than its factorization.

1642924392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592033 (or 1592029 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 1642924392 is about 40533.0037376950. The cubic root of 1642924392 is about 1179.9742386409.

The spelling of 1642924392 in words is "one billion, six hundred forty-two million, nine hundred twenty-four thousand, three hundred ninety-two".