39261988 has 12 divisors (see below), whose sum is σ = 69536880. Its totient is φ = 19394312.

The previous prime is 39261983. The next prime is 39261991. The reversal of 39261988 is 88916293.

It is a super-3 number, since 3×39261988³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (39261983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58798 + ... + 59461.

It is an arithmetic number, because the mean of its divisors is an integer number (5794740).

Almost surely, 2^39261988 is an apocalyptic number.

It is an amenable number.

39261988 is a deficient number, since it is larger than the sum of its proper divisors (30274892).

39261988 is a wasteful number, since it uses less digits than its factorization.

39261988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118346 (or 118344 counting only the distinct ones).

The product of its digits is 186624, while the sum is 46.

The square root of 39261988 is about 6265.9387165851. The cubic root of 39261988 is about 339.8788149430.

The spelling of 39261988 in words is "thirty-nine million, two hundred sixty-one thousand, nine hundred eighty-eight".