397341822 has 8 divisors (see below), whose sum is σ = 794683656. Its totient is φ = 132447272.

The previous prime is 397341821. The next prime is 397341823. The reversal of 397341822 is 228143793.

It is an interprime number because it is at equal distance from previous prime (397341821) and next prime (397341823).

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

397341822 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397341821) 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, 33111813 + ... + 33111824.

It is an arithmetic number, because the mean of its divisors is an integer number (99335457).

Almost surely, 2^397341822 is an apocalyptic number.

397341822 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.

397341822 is a wasteful number, since it uses less digits than its factorization.

397341822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66223642.

The product of its digits is 72576, while the sum is 39.

The square root of 397341822 is about 19933.4347767764. The cubic root of 397341822 is about 735.1705356523.

The spelling of 397341822 in words is "three hundred ninety-seven million, three hundred forty-one thousand, eight hundred twenty-two".