658479490 has 8 divisors (see below), whose sum is σ = 1185263100. Its totient is φ = 263391792.

The previous prime is 658479487. The next prime is 658479517. The reversal of 658479490 is 94974856.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 602064369 + 56415121 = 24537^2 + 7511^2 .

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

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, 32923965 + ... + 32923984.

Almost surely, 2^658479490 is an apocalyptic number.

658479490 is a deficient number, since it is larger than the sum of its proper divisors (526783610).

658479490 is a wasteful number, since it uses less digits than its factorization.

658479490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65847956.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 658479490 is about 25660.8552078842. The cubic root of 658479490 is about 869.9896462413.

The spelling of 658479490 in words is "six hundred fifty-eight million, four hundred seventy-nine thousand, four hundred ninety".