446946990 has 32 divisors (see below), whose sum is σ = 1225912320. Its totient is φ = 102159264.

The previous prime is 446946947. The next prime is 446947001. The reversal of 446946990 is 99649644.

It is a super-2 number, since 2×446946990² = 399523223740120200, which contains 22 as substring.

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, 1063950 + ... + 1064369.

It is an arithmetic number, because the mean of its divisors is an integer number (38309760).

Almost surely, 2^446946990 is an apocalyptic number.

446946990 is an abundant number, since it is smaller than the sum of its proper divisors (778965330).

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

446946990 is a wasteful number, since it uses less digits than its factorization.

446946990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128336.

The product of its (nonzero) digits is 1679616, while the sum is 51.

The square root of 446946990 is about 21141.1208312142. The cubic root of 446946990 is about 764.5724981269.

The spelling of 446946990 in words is "four hundred forty-six million, nine hundred forty-six thousand, nine hundred ninety".