39406398 has 16 divisors (see below), whose sum is σ = 80490240. Its totient is φ = 12855896.

The previous prime is 39406397. The next prime is 39406417. The reversal of 39406398 is 89360493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39406397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69588 + ... + 70151.

It is an arithmetic number, because the mean of its divisors is an integer number (5030640).

Almost surely, 2^39406398 is an apocalyptic number.

39406398 is an abundant number, since it is smaller than the sum of its proper divisors (41083842).

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

39406398 is a wasteful number, since it uses less digits than its factorization.

39406398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139791.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 39406398 is about 6277.4515529791. The cubic root of 39406398 is about 340.2950092366.

The spelling of 39406398 in words is "thirty-nine million, four hundred six thousand, three hundred ninety-eight".