39860940 has 48 divisors (see below), whose sum is σ = 127556352. Its totient is φ = 9110976.

The previous prime is 39860923. The next prime is 39860959. The reversal of 39860940 is 4906893.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47034 + ... + 47873.

It is an arithmetic number, because the mean of its divisors is an integer number (2657424).

Almost surely, 2^39860940 is an apocalyptic number.

39860940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39860940 is an abundant number, since it is smaller than the sum of its proper divisors (87695412).

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

39860940 is a wasteful number, since it uses less digits than its factorization.

39860940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94926 (or 94924 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 39860940 is about 6313.5520905430. The cubic root of 39860940 is about 341.5984137575.

The spelling of 39860940 in words is "thirty-nine million, eight hundred sixty thousand, nine hundred forty".