39690914 has 4 divisors (see below), whose sum is σ = 59536374. Its totient is φ = 19845456.

The previous prime is 39690887. The next prime is 39690919. The reversal of 39690914 is 41909693.

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

It can be written as a sum of positive squares in only one way, i.e., 25755625 + 13935289 = 5075^2 + 3733^2 .

It is not an unprimeable number, because it can be changed into a prime (39690919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9922727 + ... + 9922730.

Almost surely, 2^39690914 is an apocalyptic number.

39690914 is a deficient number, since it is larger than the sum of its proper divisors (19845460).

39690914 is a wasteful number, since it uses less digits than its factorization.

39690914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19845459.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 39690914 is about 6300.0725392649. The cubic root of 39690914 is about 341.1120279314.

It can be divided in two parts, 39690 and 914, that added together give a palindrome (40604).

The spelling of 39690914 in words is "thirty-nine million, six hundred ninety thousand, nine hundred fourteen".