508742098 has 4 divisors (see below), whose sum is σ = 763113150. Its totient is φ = 254371048.

The previous prime is 508742057. The next prime is 508742137. The reversal of 508742098 is 890247805.

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

It can be written as a sum of positive squares in only one way, i.e., 507736089 + 1006009 = 22533^2 + 1003^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127185523 + ... + 127185526.

Almost surely, 2^508742098 is an apocalyptic number.

508742098 is a deficient number, since it is larger than the sum of its proper divisors (254371052).

508742098 is a wasteful number, since it uses less digits than its factorization.

508742098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254371051.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 508742098 is about 22555.3119685807. The cubic root of 508742098 is about 798.2995642503.

The spelling of 508742098 in words is "five hundred eight million, seven hundred forty-two thousand, ninety-eight".