39902154 has 16 divisors (see below), whose sum is σ = 81502848. Its totient is φ = 13017632.

The previous prime is 39902131. The next prime is 39902183. The reversal of 39902154 is 45120993.

39902154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 70467 + ... + 71030.

It is an arithmetic number, because the mean of its divisors is an integer number (5093928).

Almost surely, 2^39902154 is an apocalyptic number.

39902154 is an abundant number, since it is smaller than the sum of its proper divisors (41600694).

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

39902154 is a wasteful number, since it uses less digits than its factorization.

39902154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141549.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 39902154 is about 6316.8151785532. The cubic root of 39902154 is about 341.7161044729.

The spelling of 39902154 in words is "thirty-nine million, nine hundred two thousand, one hundred fifty-four".