39846406 has 8 divisors (see below), whose sum is σ = 61830720. Its totient is φ = 19236168.

The previous prime is 39846361. The next prime is 39846409. The reversal of 39846406 is 60464893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×39846406² = 3175472142233672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39846409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343446 + ... + 343561.

It is an arithmetic number, because the mean of its divisors is an integer number (7728840).

Almost surely, 2^39846406 is an apocalyptic number.

39846406 is a deficient number, since it is larger than the sum of its proper divisors (21984314).

39846406 is a wasteful number, since it uses less digits than its factorization.

39846406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687038.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 39846406 is about 6312.4009695202. The cubic root of 39846406 is about 341.5568911133.

The spelling of 39846406 in words is "thirty-nine million, eight hundred forty-six thousand, four hundred six".