872621346 has 8 divisors (see below), whose sum is σ = 1745242704. Its totient is φ = 290873780.

The previous prime is 872621279. The next prime is 872621353. The reversal of 872621346 is 643126278.

It is a happy number.

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

872621346 is an admirable number.

It is a super-2 number, since 2×872621346² = 1522936026989703432, which contains 22 as substring.

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, 72718440 + ... + 72718451.

It is an arithmetic number, because the mean of its divisors is an integer number (218155338).

Almost surely, 2^872621346 is an apocalyptic number.

872621346 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.

872621346 is a wasteful number, since it uses less digits than its factorization.

872621346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145436896.

The product of its digits is 96768, while the sum is 39.

The square root of 872621346 is about 29540.1649623018. The cubic root of 872621346 is about 955.5980997994.

The spelling of 872621346 in words is "eight hundred seventy-two million, six hundred twenty-one thousand, three hundred forty-six".