397733069 has 8 divisors (see below), whose sum is σ = 410792448. Its totient is φ = 384688080.

The previous prime is 397733047. The next prime is 397733093. The reversal of 397733069 is 960337793.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-397733069 is a prime.

It is a super-2 number, since 2×397733069² = 316383188352317522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397733009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108464 + ... + 112070.

It is an arithmetic number, because the mean of its divisors is an integer number (51349056).

Almost surely, 2^397733069 is an apocalyptic number.

It is an amenable number.

397733069 is a deficient number, since it is larger than the sum of its proper divisors (13059379).

397733069 is a wasteful number, since it uses less digits than its factorization.

397733069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7195.

The product of its (nonzero) digits is 642978, while the sum is 47.

The square root of 397733069 is about 19943.2462001551. The cubic root of 397733069 is about 735.4117544176.

The spelling of 397733069 in words is "three hundred ninety-seven million, seven hundred thirty-three thousand, sixty-nine".