45986939 has 4 divisors (see below), whose sum is σ = 46016256. Its totient is φ = 45957624.

The previous prime is 45986933. The next prime is 45986947. The reversal of 45986939 is 93968954.

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 45986939 - 2¹² = 45982843 is a prime.

It is a super-2 number, since 2×45986939² = 4229597117179442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45986933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12164 + ... + 15489.

It is an arithmetic number, because the mean of its divisors is an integer number (11504064).

Almost surely, 2^45986939 is an apocalyptic number.

45986939 is a deficient number, since it is larger than the sum of its proper divisors (29317).

45986939 is a wasteful number, since it uses less digits than its factorization.

45986939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29316.

The product of its digits is 2099520, while the sum is 53.

The square root of 45986939 is about 6781.3670450728. The cubic root of 45986939 is about 358.2708721609.

The spelling of 45986939 in words is "forty-five million, nine hundred eighty-six thousand, nine hundred thirty-nine".