39890246 has 16 divisors (see below), whose sum is σ = 65696400. Its totient is φ = 18014880.

The previous prime is 39890231. The next prime is 39890251. The reversal of 39890246 is 64209893.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2321 + ... + 9228.

It is an arithmetic number, because the mean of its divisors is an integer number (4106025).

Almost surely, 2^39890246 is an apocalyptic number.

39890246 is a deficient number, since it is larger than the sum of its proper divisors (25806154).

39890246 is a wasteful number, since it uses less digits than its factorization.

39890246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11719.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 39890246 is about 6315.8725446291. The cubic root of 39890246 is about 341.6821083113.

The spelling of 39890246 in words is "thirty-nine million, eight hundred ninety thousand, two hundred forty-six".