1623972804 has 24 divisors (see below), whose sum is σ = 4012168608. Its totient is φ = 509481600.

The previous prime is 1623972803. The next prime is 1623972829. The reversal of 1623972804 is 4082793261.

It is not an unprimeable number, because it can be changed into a prime (1623972803) 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, 3980122 + ... + 3980529.

It is an arithmetic number, because the mean of its divisors is an integer number (167173692).

Almost surely, 2^1623972804 is an apocalyptic number.

It is an amenable number.

1623972804 is an abundant number, since it is smaller than the sum of its proper divisors (2388195804).

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

1623972804 is a wasteful number, since it uses less digits than its factorization.

1623972804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7960675 (or 7960673 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1623972804 is about 40298.5459291027. The cubic root of 1623972804 is about 1175.4195704572.

The spelling of 1623972804 in words is "one billion, six hundred twenty-three million, nine hundred seventy-two thousand, eight hundred four".