39969486 has 12 divisors (see below), whose sum is σ = 86600592. Its totient is φ = 13323156.

The previous prime is 39969481. The next prime is 39969487. The reversal of 39969486 is 68496993.

It is a happy number.

39969486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×39969486² = 3195119622208392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39969481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1110246 + ... + 1110281.

It is an arithmetic number, because the mean of its divisors is an integer number (7216716).

Almost surely, 2^39969486 is an apocalyptic number.

39969486 is an abundant number, since it is smaller than the sum of its proper divisors (46631106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39969486 is a wasteful number, since it uses less digits than its factorization.

39969486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220535 (or 2220532 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The square root of 39969486 is about 6322.1425165841. The cubic root of 39969486 is about 341.9082035358.

The spelling of 39969486 in words is "thirty-nine million, nine hundred sixty-nine thousand, four hundred eighty-six".