462021990 has 32 divisors (see below), whose sum is σ = 1122218496. Its totient is φ = 121720800.

The previous prime is 462021983. The next prime is 462022003. The reversal of 462021990 is 99120264.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90286 + ... + 95265.

It is an arithmetic number, because the mean of its divisors is an integer number (35069328).

Almost surely, 2^462021990 is an apocalyptic number.

462021990 is an abundant number, since it is smaller than the sum of its proper divisors (660196506).

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

462021990 is a wasteful number, since it uses less digits than its factorization.

462021990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185644.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 462021990 is about 21494.6967878126. The cubic root of 462021990 is about 773.0736702953.

The spelling of 462021990 in words is "four hundred sixty-two million, twenty-one thousand, nine hundred ninety".