498256742 has 4 divisors (see below), whose sum is σ = 747385116. Its totient is φ = 249128370.

The previous prime is 498256739. The next prime is 498256813. The reversal of 498256742 is 247652894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 247652894 = 2 ⋅123826447.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124564184 + ... + 124564187.

It is an arithmetic number, because the mean of its divisors is an integer number (186846279).

Almost surely, 2^498256742 is an apocalyptic number.

498256742 is a deficient number, since it is larger than the sum of its proper divisors (249128374).

498256742 is a wasteful number, since it uses less digits than its factorization.

498256742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249128373.

The product of its digits is 967680, while the sum is 47.

The square root of 498256742 is about 22321.6653052589. The cubic root of 498256742 is about 792.7770353685. Note that the first 3 decimals are identical.

The spelling of 498256742 in words is "four hundred ninety-eight million, two hundred fifty-six thousand, seven hundred forty-two".