461623990 has 16 divisors (see below), whose sum is σ = 833885280. Its totient is φ = 183991360.

The previous prime is 461623979. The next prime is 461623997. The reversal of 461623990 is 99326164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461623997) 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, 79330 + ... + 84949.

It is an arithmetic number, because the mean of its divisors is an integer number (52117830).

Almost surely, 2^461623990 is an apocalyptic number.

461623990 is a deficient number, since it is larger than the sum of its proper divisors (372261290).

461623990 is a wasteful number, since it uses less digits than its factorization.

461623990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164567.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 461623990 is about 21485.4366955852. The cubic root of 461623990 is about 772.8516233516.

The spelling of 461623990 in words is "four hundred sixty-one million, six hundred twenty-three thousand, nine hundred ninety".