39009486 has 16 divisors (see below), whose sum is σ = 78499584. Its totient is φ = 12923064.

The previous prime is 39009479. The next prime is 39009497. The reversal of 39009486 is 68490093.

It is a congruent number.

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, 18966 + ... + 20921.

It is an arithmetic number, because the mean of its divisors is an integer number (4906224).

Almost surely, 2^39009486 is an apocalyptic number.

39009486 is an abundant number, since it is smaller than the sum of its proper divisors (39490098).

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

39009486 is a wasteful number, since it uses less digits than its factorization.

39009486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40055.

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

The square root of 39009486 is about 6245.7574400548. The cubic root of 39009486 is about 339.1486369714.

The spelling of 39009486 in words is "thirty-nine million, nine thousand, four hundred eighty-six".