46215891 has 12 divisors (see below), whose sum is σ = 67370160. Its totient is φ = 30527280.

The previous prime is 46215859. The next prime is 46215893. The reversal of 46215891 is 19851264.

It is not a de Polignac number, because 46215891 - 2⁵ = 46215859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (46215893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22575 + ... + 24536.

It is an arithmetic number, because the mean of its divisors is an integer number (5614180).

Almost surely, 2^46215891 is an apocalyptic number.

46215891 is a deficient number, since it is larger than the sum of its proper divisors (21154269).

46215891 is a wasteful number, since it uses less digits than its factorization.

46215891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47226 (or 47223 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 46215891 is about 6798.2270482825. The cubic root of 46215891 is about 358.8644543291.

The spelling of 46215891 in words is "forty-six million, two hundred fifteen thousand, eight hundred ninety-one".