39706480 has 40 divisors (see below), whose sum is σ = 100712304. Its totient is φ = 14438400.

The previous prime is 39706451. The next prime is 39706489. The reversal of 39706480 is 8460793.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39706489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21681 + ... + 23440.

Almost surely, 2^39706480 is an apocalyptic number.

It is an amenable number.

39706480 is an abundant number, since it is smaller than the sum of its proper divisors (61005824).

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

39706480 is a wasteful number, since it uses less digits than its factorization.

39706480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45145 (or 45139 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 39706480 is about 6301.3078007664. The cubic root of 39706480 is about 341.1566145913.

It can be divided in two parts, 39706 and 480, that added together give a triangular number (40186 = T₂₈₃).

The spelling of 39706480 in words is "thirty-nine million, seven hundred six thousand, four hundred eighty".