192942638 has 32 divisors (see below), whose sum is σ = 341143488. Its totient is φ = 80121600.

The previous prime is 192942619. The next prime is 192942643. The reversal of 192942638 is 836249291.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89048 + ... + 91188.

It is an arithmetic number, because the mean of its divisors is an integer number (10660734).

Almost surely, 2^192942638 is an apocalyptic number.

192942638 is a deficient number, since it is larger than the sum of its proper divisors (148200850).

192942638 is a wasteful number, since it uses less digits than its factorization.

192942638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348.

The product of its digits is 186624, while the sum is 44.

The square root of 192942638 is about 13890.3793324732. The cubic root of 192942638 is about 577.8423978541.

The spelling of 192942638 in words is "one hundred ninety-two million, nine hundred forty-two thousand, six hundred thirty-eight".