39904254 has 48 divisors (see below), whose sum is σ = 96130944. Its totient is φ = 11880000.

The previous prime is 39904247. The next prime is 39904327. The reversal of 39904254 is 45240993.

It is a super-3 number, since 3×39904254³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4504 + ... + 10004.

It is an arithmetic number, because the mean of its divisors is an integer number (2002728).

Almost surely, 2^39904254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39904254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48065472).

39904254 is an abundant number, since it is smaller than the sum of its proper divisors (56226690).

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

39904254 is a wasteful number, since it uses less digits than its factorization.

39904254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553 (or 5550 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 39904254 is about 6316.9813993711. The cubic root of 39904254 is about 341.7220990635.

The spelling of 39904254 in words is "thirty-nine million, nine hundred four thousand, two hundred fifty-four".