461897652 has 12 divisors (see below), whose sum is σ = 1077761216. Its totient is φ = 153965880.

The previous prime is 461897651. The next prime is 461897663. The reversal of 461897652 is 256798164.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×461897652² = 426698881846226208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461897651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19245724 + ... + 19245747.

Almost surely, 2^461897652 is an apocalyptic number.

It is an amenable number.

461897652 is an abundant number, since it is smaller than the sum of its proper divisors (615863564).

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

461897652 is a wasteful number, since it uses less digits than its factorization.

461897652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38491478 (or 38491476 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 461897652 is about 21491.8042983831. The cubic root of 461897652 is about 773.0043149687.

The spelling of 461897652 in words is "four hundred sixty-one million, eight hundred ninety-seven thousand, six hundred fifty-two".