1864424904 has 16 divisors (see below), whose sum is σ = 4661062320. Its totient is φ = 621474960.

The previous prime is 1864424893. The next prime is 1864424911. The reversal of 1864424904 is 4094244681.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38842162 + ... + 38842209.

It is an arithmetic number, because the mean of its divisors is an integer number (291316395).

Almost surely, 2^1864424904 is an apocalyptic number.

It is an amenable number.

1864424904 is an abundant number, since it is smaller than the sum of its proper divisors (2796637416).

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

1864424904 is a wasteful number, since it uses less digits than its factorization.

1864424904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77684380 (or 77684376 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 1864424904 is about 43178.9868338756. The cubic root of 1864424904 is about 1230.7834046933.

The spelling of 1864424904 in words is "one billion, eight hundred sixty-four million, four hundred twenty-four thousand, nine hundred four".