397751173 has 12 divisors (see below), whose sum is σ = 414359040. Its totient is φ = 381772440.

The previous prime is 397751143. The next prime is 397751183. The reversal of 397751173 is 371157793.

It is not a de Polignac number, because 397751173 - 2¹³ = 397742981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397751113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120418 + ... + 123676.

It is an arithmetic number, because the mean of its divisors is an integer number (34529920).

Almost surely, 2^397751173 is an apocalyptic number.

It is an amenable number.

397751173 is a deficient number, since it is larger than the sum of its proper divisors (16607867).

397751173 is a wasteful number, since it uses less digits than its factorization.

397751173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3448 (or 3417 counting only the distinct ones).

The product of its digits is 138915, while the sum is 43.

The square root of 397751173 is about 19943.7000829836. The cubic root of 397751173 is about 735.4229123972.

The spelling of 397751173 in words is "three hundred ninety-seven million, seven hundred fifty-one thousand, one hundred seventy-three".