397369544 has 64 divisors (see below), whose sum is σ = 878472000. Its totient is φ = 166129920.

The previous prime is 397369507. The next prime is 397369549. The reversal of 397369544 is 445963793.

It is a junction number, because it is equal to n+sod(n) for n = 397369492 and 397369501.

It is not an unprimeable number, because it can be changed into a prime (397369549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478922 + ... + 479750.

It is an arithmetic number, because the mean of its divisors is an integer number (13726125).

Almost surely, 2^397369544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397369544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439236000).

397369544 is an abundant number, since it is smaller than the sum of its proper divisors (481102456).

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

397369544 is a wasteful number, since it uses less digits than its factorization.

397369544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278 (or 1274 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 50.

The square root of 397369544 is about 19934.1301290024. The cubic root of 397369544 is about 735.1876325384.

The spelling of 397369544 in words is "three hundred ninety-seven million, three hundred sixty-nine thousand, five hundred forty-four".