397339151 has 12 divisors (see below), whose sum is σ = 437918712. Its totient is φ = 357540000.

The previous prime is 397339139. The next prime is 397339157. The reversal of 397339151 is 151933793.

It is a de Polignac number, because none of the positive numbers 2^k-397339151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 397339099 and 397339108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397339157) 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, 110441 + ... + 113981.

It is an arithmetic number, because the mean of its divisors is an integer number (36493226).

Almost surely, 2^397339151 is an apocalyptic number.

397339151 is a deficient number, since it is larger than the sum of its proper divisors (40579561).

397339151 is a wasteful number, since it uses less digits than its factorization.

397339151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3754 (or 3653 counting only the distinct ones).

The product of its digits is 76545, while the sum is 41.

The square root of 397339151 is about 19933.3677786770. The cubic root of 397339151 is about 735.1688883344.

It can be divided in two parts, 39733 and 9151, that added together give a palindrome (48884).

The spelling of 397339151 in words is "three hundred ninety-seven million, three hundred thirty-nine thousand, one hundred fifty-one".