44490687 has 16 divisors (see below), whose sum is σ = 61322880. Its totient is φ = 28670112.

The previous prime is 44490619. The next prime is 44490689. The reversal of 44490687 is 78609444.

It is not a de Polignac number, because 44490687 - 2¹⁴ = 44474303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44490689) 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 15 ways as a sum of consecutive naturals, for example, 16864 + ... + 19322.

It is an arithmetic number, because the mean of its divisors is an integer number (3832680).

Almost surely, 2^44490687 is an apocalyptic number.

44490687 is a deficient number, since it is larger than the sum of its proper divisors (16832193).

44490687 is a wasteful number, since it uses less digits than its factorization.

44490687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 44490687 is about 6670.1339566758. The cubic root of 44490687 is about 354.3423305985.

The spelling of 44490687 in words is "forty-four million, four hundred ninety thousand, six hundred eighty-seven".