1900463864 has 32 divisors (see below), whose sum is σ = 4063212720. Its totient is φ = 825540096.

The previous prime is 1900463861. The next prime is 1900463869. The reversal of 1900463864 is 4683640091.

It is a super-2 number, since 2×1900463864² = 7223525796739620992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1900463861) 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, 535694 + ... + 539229.

Almost surely, 2^1900463864 is an apocalyptic number.

It is an amenable number.

1900463864 is an abundant number, since it is smaller than the sum of its proper divisors (2162748856).

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

1900463864 is a wasteful number, since it uses less digits than its factorization.

1900463864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074959 (or 1074955 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 1900463864 is about 43594.3099956864. The cubic root of 1900463864 is about 1238.6631151965.

The spelling of 1900463864 in words is "one billion, nine hundred million, four hundred sixty-three thousand, eight hundred sixty-four".