516622398 has 8 divisors (see below), whose sum is σ = 1033244808. Its totient is φ = 172207464.

The previous prime is 516622361. The next prime is 516622399. The reversal of 516622398 is 893226615.

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

516622398 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516622399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43051861 + ... + 43051872.

It is an arithmetic number, because the mean of its divisors is an integer number (129155601).

Almost surely, 2^516622398 is an apocalyptic number.

516622398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

516622398 is a wasteful number, since it uses less digits than its factorization.

516622398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86103738.

The product of its digits is 155520, while the sum is 42.

The square root of 516622398 is about 22729.3290266123. The cubic root of 516622398 is about 802.4002900155.

The spelling of 516622398 in words is "five hundred sixteen million, six hundred twenty-two thousand, three hundred ninety-eight".