39704481 has 24 divisors (see below), whose sum is σ = 58612736. Its totient is φ = 25894080.

The previous prime is 39704479. The next prime is 39704551. The reversal of 39704481 is 18440793.

It is a happy number.

It is not a de Polignac number, because 39704481 - 2¹ = 39704479 is a prime.

It is a super-2 number, since 2×39704481² = 3152891622958722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39704881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146376 + ... + 146646.

Almost surely, 2^39704481 is an apocalyptic number.

It is an amenable number.

39704481 is a deficient number, since it is larger than the sum of its proper divisors (18908255).

39704481 is a wasteful number, since it uses less digits than its factorization.

39704481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 39704481 is about 6301.1491809034. The cubic root of 39704481 is about 341.1508893838.

The spelling of 39704481 in words is "thirty-nine million, seven hundred four thousand, four hundred eighty-one".