39342434 has 4 divisors (see below), whose sum is σ = 59013654. Its totient is φ = 19671216.

The previous prime is 39342409. The next prime is 39342461. The reversal of 39342434 is 43424393.

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., 34515625 + 4826809 = 5875^2 + 2197^2 .

It is a super-2 number, since 2×39342434² = 3095654226088712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39342434.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9835607 + ... + 9835610.

Almost surely, 2^39342434 is an apocalyptic number.

39342434 is a deficient number, since it is larger than the sum of its proper divisors (19671220).

39342434 is a wasteful number, since it uses less digits than its factorization.

39342434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19671219.

The product of its digits is 31104, while the sum is 32.

The square root of 39342434 is about 6272.3547412435. The cubic root of 39342434 is about 340.1107885786.

The spelling of 39342434 in words is "thirty-nine million, three hundred forty-two thousand, four hundred thirty-four".