39487394 has 8 divisors (see below), whose sum is σ = 59281308. Its totient is φ = 19726960.

The previous prime is 39487369. The next prime is 39487403. The reversal of 39487394 is 49378493.

It can be written as a sum of positive squares in 2 ways, for example, as 39250225 + 237169 = 6265^2 + 487^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×39487394² = 3118508569822472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5177 + ... + 10284.

Almost surely, 2^39487394 is an apocalyptic number.

39487394 is a deficient number, since it is larger than the sum of its proper divisors (19793914).

39487394 is a wasteful number, since it uses less digits than its factorization.

39487394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16740.

The product of its digits is 653184, while the sum is 47.

The square root of 39487394 is about 6283.8995854485. The cubic root of 39487394 is about 340.5279973931.

The spelling of 39487394 in words is "thirty-nine million, four hundred eighty-seven thousand, three hundred ninety-four".