46624639 has 4 divisors (see below), whose sum is σ = 46710424. Its totient is φ = 46538856.

The previous prime is 46624637. The next prime is 46624649. The reversal of 46624639 is 93642664.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 46624639 - 2¹ = 46624637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46624637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42072 + ... + 43165.

It is an arithmetic number, because the mean of its divisors is an integer number (11677606).

Almost surely, 2^46624639 is an apocalyptic number.

46624639 is a deficient number, since it is larger than the sum of its proper divisors (85785).

46624639 is an equidigital number, since it uses as much as digits as its factorization.

46624639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85784.

The product of its digits is 186624, while the sum is 40.

The square root of 46624639 is about 6828.2237075245. The cubic root of 46624639 is about 359.9193209122.

The spelling of 46624639 in words is "forty-six million, six hundred twenty-four thousand, six hundred thirty-nine".