997251846 has 8 divisors (see below), whose sum is σ = 1994503704. Its totient is φ = 332417280.

The previous prime is 997251823. The next prime is 997251847. The reversal of 997251846 is 648152799.

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

997251846 is an admirable number.

It is a super-2 number, since 2×997251846² = 1989022488700815432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997251847) 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, 83104315 + ... + 83104326.

It is an arithmetic number, because the mean of its divisors is an integer number (249312963).

Almost surely, 2^997251846 is an apocalyptic number.

997251846 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.

997251846 is a wasteful number, since it uses less digits than its factorization.

997251846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166208646.

The product of its digits is 1088640, while the sum is 51.

The square root of 997251846 is about 31579.2945773018. The cubic root of 997251846 is about 999.0831082331.

The spelling of 997251846 in words is "nine hundred ninety-seven million, two hundred fifty-one thousand, eight hundred forty-six".