492707438 has 4 divisors (see below), whose sum is σ = 739061160. Its totient is φ = 246353718.

The previous prime is 492707399. The next prime is 492707443. The reversal of 492707438 is 834707294.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 834707294 = 2 ⋅417353647.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123176858 + ... + 123176861.

It is an arithmetic number, because the mean of its divisors is an integer number (184765290).

Almost surely, 2^492707438 is an apocalyptic number.

492707438 is a deficient number, since it is larger than the sum of its proper divisors (246353722).

492707438 is a wasteful number, since it uses less digits than its factorization.

492707438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246353721.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 492707438 is about 22197.0141685768. The cubic root of 492707438 is about 789.8228722152.

The spelling of 492707438 in words is "four hundred ninety-two million, seven hundred seven thousand, four hundred thirty-eight".