652388494 has 8 divisors (see below), whose sum is σ = 979215120. Its totient is φ = 325983456.

The previous prime is 652388489. The next prime is 652388519. The reversal of 652388494 is 494883256.

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

It is a super-2 number, since 2×652388494² = 851221494207176072, which contains 22 as substring.

It is a congruent number.

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, 101499 + ... + 107734.

It is an arithmetic number, because the mean of its divisors is an integer number (122401890).

Almost surely, 2^652388494 is an apocalyptic number.

652388494 is a deficient number, since it is larger than the sum of its proper divisors (326826626).

652388494 is a wasteful number, since it uses less digits than its factorization.

652388494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210794.

The product of its digits is 1658880, while the sum is 49.

The square root of 652388494 is about 25541.8968363745. The cubic root of 652388494 is about 867.2988375485.

The spelling of 652388494 in words is "six hundred fifty-two million, three hundred eighty-eight thousand, four hundred ninety-four".