461615812 has 12 divisors (see below), whose sum is σ = 923231680. Its totient is φ = 197835336.

The previous prime is 461615789. The next prime is 461615839. The reversal of 461615812 is 218516164.

461615812 is an admirable number.

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, 8243112 + ... + 8243167.

Almost surely, 2^461615812 is an apocalyptic number.

It is an amenable number.

461615812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

461615812 is a wasteful number, since it uses less digits than its factorization.

461615812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16486290 (or 16486288 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 461615812 is about 21485.2463797835. The cubic root of 461615812 is about 772.8470594511.

The spelling of 461615812 in words is "four hundred sixty-one million, six hundred fifteen thousand, eight hundred twelve".