1934979838 has 8 divisors (see below), whose sum is σ = 3166330680. Its totient is φ = 879536280.

The previous prime is 1934979803. The next prime is 1934979853. The reversal of 1934979838 is 8389794391.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43976793 + ... + 43976836.

It is an arithmetic number, because the mean of its divisors is an integer number (395791335).

Almost surely, 2^1934979838 is an apocalyptic number.

1934979838 is a deficient number, since it is larger than the sum of its proper divisors (1231350842).

1934979838 is a wasteful number, since it uses less digits than its factorization.

1934979838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87953642.

The product of its digits is 11757312, while the sum is 61.

The square root of 1934979838 is about 43988.4057224174. The cubic root of 1934979838 is about 1246.1169823358.

The spelling of 1934979838 in words is "one billion, nine hundred thirty-four million, nine hundred seventy-nine thousand, eight hundred thirty-eight".