39216490 has 8 divisors (see below), whose sum is σ = 70589700. Its totient is φ = 15686592.

The previous prime is 39216481. The next prime is 39216503. The reversal of 39216490 is 9461293.

39216490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 38056561 + 1159929 = 6169^2 + 1077^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1960815 + ... + 1960834.

Almost surely, 2^39216490 is an apocalyptic number.

39216490 is a deficient number, since it is larger than the sum of its proper divisors (31373210).

39216490 is a wasteful number, since it uses less digits than its factorization.

39216490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3921656.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 39216490 is about 6262.3070828569. The cubic root of 39216490 is about 339.7474768535.

The spelling of 39216490 in words is "thirty-nine million, two hundred sixteen thousand, four hundred ninety".