39694860 has 120 divisors (see below), whose sum is σ = 126236880. Its totient is φ = 10440576.

The previous prime is 39694841. The next prime is 39694867. The reversal of 39694860 is 6849693.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (39694867) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 173226 + ... + 173454.

It is an arithmetic number, because the mean of its divisors is an integer number (1051974).

Almost surely, 2^39694860 is an apocalyptic number.

39694860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39694860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63118440).

39694860 is an abundant number, since it is smaller than the sum of its proper divisors (86542020).

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

39694860 is a wasteful number, since it uses less digits than its factorization.

39694860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 39694860 is about 6300.3857024789. The cubic root of 39694860 is about 341.1233318070.

The spelling of 39694860 in words is "thirty-nine million, six hundred ninety-four thousand, eight hundred sixty".