46864581 has 4 divisors (see below), whose sum is σ = 62486112. Its totient is φ = 31243052.

The previous prime is 46864553. The next prime is 46864637. The reversal of 46864581 is 18546864.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46864581 - 2¹¹ = 46862533 is a prime.

It is a super-2 number, since 2×46864581² = 4392577904611122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46864541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7810761 + ... + 7810766.

It is an arithmetic number, because the mean of its divisors is an integer number (15621528).

Almost surely, 2^46864581 is an apocalyptic number.

It is an amenable number.

46864581 is a deficient number, since it is larger than the sum of its proper divisors (15621531).

46864581 is a wasteful number, since it uses less digits than its factorization.

46864581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15621530.

The product of its digits is 184320, while the sum is 42.

The square root of 46864581 is about 6845.7710303515. The cubic root of 46864581 is about 360.5356762893.

The spelling of 46864581 in words is "forty-six million, eight hundred sixty-four thousand, five hundred eighty-one".