39680619 has 12 divisors (see below), whose sum is σ = 58155048. Its totient is φ = 24048640.

The previous prime is 39680617. The next prime is 39680621. The reversal of 39680619 is 91608693.

It is an interprime number because it is at equal distance from previous prime (39680617) and next prime (39680621).

It is not a de Polignac number, because 39680619 - 2¹ = 39680617 is a prime.

It is a super-2 number, since 2×39680619² = 3149103048446322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39680617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54294 + ... + 55019.

It is an arithmetic number, because the mean of its divisors is an integer number (4846254).

Almost surely, 2^39680619 is an apocalyptic number.

39680619 is a deficient number, since it is larger than the sum of its proper divisors (18474429).

39680619 is a wasteful number, since it uses less digits than its factorization.

39680619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109338 (or 109327 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 39680619 is about 6299.2554321920. The cubic root of 39680619 is about 341.0825329191.

The spelling of 39680619 in words is "thirty-nine million, six hundred eighty thousand, six hundred nineteen".