39452494 has 4 divisors (see below), whose sum is σ = 59178744. Its totient is φ = 19726246.

The previous prime is 39452489. The next prime is 39452507. The reversal of 39452494 is 49425493.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×39452494³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9863122 + ... + 9863125.

It is an arithmetic number, because the mean of its divisors is an integer number (14794686).

Almost surely, 2^39452494 is an apocalyptic number.

39452494 is a deficient number, since it is larger than the sum of its proper divisors (19726250).

39452494 is a wasteful number, since it uses less digits than its factorization.

39452494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19726249.

The product of its digits is 155520, while the sum is 40.

The square root of 39452494 is about 6281.1220335224. The cubic root of 39452494 is about 340.4276452817.

The spelling of 39452494 in words is "thirty-nine million, four hundred fifty-two thousand, four hundred ninety-four".