39986484 has 12 divisors (see below), whose sum is σ = 93301824. Its totient is φ = 13328824.

The previous prime is 39986467. The next prime is 39986501. The reversal of 39986484 is 48468993.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (39986467) and next prime (39986501).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666092 + ... + 1666115.

It is an arithmetic number, because the mean of its divisors is an integer number (7775152).

Almost surely, 2^39986484 is an apocalyptic number.

It is an amenable number.

39986484 is an abundant number, since it is smaller than the sum of its proper divisors (53315340).

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

39986484 is a wasteful number, since it uses less digits than its factorization.

39986484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332214 (or 3332212 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 39986484 is about 6323.4866964358. The cubic root of 39986484 is about 341.9566649377.

It can be divided in two parts, 39986 and 484, that added together give a triangular number (40470 = T₂₈₄).

The spelling of 39986484 in words is "thirty-nine million, nine hundred eighty-six thousand, four hundred eighty-four".