39987058 has 16 divisors (see below), whose sum is σ = 64031040. Its totient is φ = 18673200.

The previous prime is 39987049. The next prime is 39987067. The reversal of 39987058 is 85078993.

It is an interprime number because it is at equal distance from previous prime (39987049) and next prime (39987067).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4713 + ... + 10108.

It is an arithmetic number, because the mean of its divisors is an integer number (4001940).

Almost surely, 2^39987058 is an apocalyptic number.

39987058 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

39987058 is a deficient number, since it is larger than the sum of its proper divisors (24043982).

39987058 is a wasteful number, since it uses less digits than its factorization.

39987058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14913.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 39987058 is about 6323.5320826260. The cubic root of 39987058 is about 341.9583011755.

The spelling of 39987058 in words is "thirty-nine million, nine hundred eighty-seven thousand, fifty-eight".