39402006 has 32 divisors (see below), whose sum is σ = 90309120. Its totient is φ = 11226816.

The previous prime is 39401993. The next prime is 39402031. The reversal of 39402006 is 60020493.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17370 + ... + 19506.

It is an arithmetic number, because the mean of its divisors is an integer number (2822160).

Almost surely, 2^39402006 is an apocalyptic number.

39402006 is an abundant number, since it is smaller than the sum of its proper divisors (50907114).

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

39402006 is a wasteful number, since it uses less digits than its factorization.

39402006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 39402006 is about 6277.1017197430. The cubic root of 39402006 is about 340.2823663556.

Adding to 39402006 its reverse (60020493), we get a palindrome (99422499).

The spelling of 39402006 in words is "thirty-nine million, four hundred two thousand, six".