446890631 has 6 divisors (see below), whose sum is σ = 491210496. Its totient is φ = 406264100.

The previous prime is 446890607. The next prime is 446890643. The reversal of 446890631 is 136098644.

It is not a de Polignac number, because 446890631 - 2⁶ = 446890567 is a prime.

It is a super-2 number, since 2×446890631² = 399422472151156322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446890601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1846535 + ... + 1846776.

It is an arithmetic number, because the mean of its divisors is an integer number (81868416).

Almost surely, 2^446890631 is an apocalyptic number.

446890631 is a deficient number, since it is larger than the sum of its proper divisors (44319865).

446890631 is a wasteful number, since it uses less digits than its factorization.

446890631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3693333 (or 3693322 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 446890631 is about 21139.7878655392. The cubic root of 446890631 is about 764.5403598243.

The spelling of 446890631 in words is "four hundred forty-six million, eight hundred ninety thousand, six hundred thirty-one".