39648974 has 8 divisors (see below), whose sum is σ = 61524360. Its totient is φ = 19140856.

The previous prime is 39648971. The next prime is 39648977. The reversal of 39648974 is 47984693.

It is an interprime number because it is at equal distance from previous prime (39648971) and next prime (39648977).

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

It is a super-2 number, since 2×39648974² = 3144082278505352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39648971) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 341744 + ... + 341859.

It is an arithmetic number, because the mean of its divisors is an integer number (7690545).

Almost surely, 2^39648974 is an apocalyptic number.

39648974 is a deficient number, since it is larger than the sum of its proper divisors (21875386).

39648974 is a wasteful number, since it uses less digits than its factorization.

39648974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683634.

The product of its digits is 1306368, while the sum is 50.

The square root of 39648974 is about 6296.7431264107. The cubic root of 39648974 is about 340.9918385401.

The spelling of 39648974 in words is "thirty-nine million, six hundred forty-eight thousand, nine hundred seventy-four".