39006401 has 12 divisors (see below), whose sum is σ = 46840320. Its totient is φ = 32354280.

The previous prime is 39006397. The next prime is 39006403. The reversal of 39006401 is 10460093.

It is not a de Polignac number, because 39006401 - 2² = 39006397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39006403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11321 + ... + 14358.

It is an arithmetic number, because the mean of its divisors is an integer number (3903360).

Almost surely, 2^39006401 is an apocalyptic number.

39006401 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

39006401 is a deficient number, since it is larger than the sum of its proper divisors (7833919).

39006401 is a wasteful number, since it uses less digits than its factorization.

39006401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25724 (or 25717 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 39006401 is about 6245.5104675279. The cubic root of 39006401 is about 339.1396964014.

Adding to 39006401 its reverse (10460093), we get a palindrome (49466494).

It can be divided in two parts, 3900 and 6401, that added together give a palindrome (10301).

The spelling of 39006401 in words is "thirty-nine million, six thousand, four hundred one".