39493480 has 64 divisors (see below), whose sum is σ = 97569360. Its totient is φ = 14297088.

The previous prime is 39493463. The next prime is 39493577. The reversal of 39493480 is 8439493.

It can be written as a sum of positive squares in 8 ways, for example, as 20848356 + 18645124 = 4566^2 + 4318^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26844 + ... + 28276.

Almost surely, 2^39493480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39493480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48784680).

39493480 is an abundant number, since it is smaller than the sum of its proper divisors (58075880).

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

39493480 is a wasteful number, since it uses less digits than its factorization.

39493480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510 (or 1506 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 39493480 is about 6284.3838202325. The cubic root of 39493480 is about 340.5454911358.

The spelling of 39493480 in words is "thirty-nine million, four hundred ninety-three thousand, four hundred eighty".