39040704 has 140 divisors (see below), whose sum is σ = 122813064. Its totient is φ = 12220416.

The previous prime is 39040693. The next prime is 39040711. The reversal of 39040704 is 40704093.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 87907 + ... + 88349.

Almost surely, 2^39040704 is an apocalyptic number.

39040704 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39040704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61406532).

39040704 is an abundant number, since it is smaller than the sum of its proper divisors (83772360).

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

39040704 is a wasteful number, since it uses less digits than its factorization.

39040704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 39040704 is about 6248.2560766985. The cubic root of 39040704 is about 339.2390826570.

Adding to 39040704 its reverse (40704093), we get a palindrome (79744797).

The spelling of 39040704 in words is "thirty-nine million, forty thousand, seven hundred four".