39699434 has 8 divisors (see below), whose sum is σ = 61602660. Its totient is φ = 19165216.

The previous prime is 39699433. The next prime is 39699467. The reversal of 39699434 is 43499693.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37149025 + 2550409 = 6095^2 + 1597^2 .

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

It is not an unprimeable number, because it can be changed into a prime (39699431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342179 + ... + 342294.

Almost surely, 2^39699434 is an apocalyptic number.

39699434 is a deficient number, since it is larger than the sum of its proper divisors (21903226).

39699434 is a wasteful number, since it uses less digits than its factorization.

39699434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684504.

The product of its digits is 629856, while the sum is 47.

The square root of 39699434 is about 6300.7486856722. The cubic root of 39699434 is about 341.1364337400.

The spelling of 39699434 in words is "thirty-nine million, six hundred ninety-nine thousand, four hundred thirty-four".