1474938839 has 4 divisors (see below), whose sum is σ = 1609024200. Its totient is φ = 1340853480.

The previous prime is 1474938833. The next prime is 1474938851. The reversal of 1474938839 is 9388394741.

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

It is a cyclic number.

It is not a de Polignac number, because 1474938839 - 2²⁸ = 1206503383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1474938833) 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, 67042664 + ... + 67042685.

It is an arithmetic number, because the mean of its divisors is an integer number (402256050).

Almost surely, 2^1474938839 is an apocalyptic number.

1474938839 is a deficient number, since it is larger than the sum of its proper divisors (134085361).

1474938839 is a wasteful number, since it uses less digits than its factorization.

1474938839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134085360.

The product of its digits is 5225472, while the sum is 56.

The square root of 1474938839 is about 38404.9324826903. The cubic root of 1474938839 is about 1138.3033237651.

The spelling of 1474938839 in words is "one billion, four hundred seventy-four million, nine hundred thirty-eight thousand, eight hundred thirty-nine".