397014409 has 4 divisors (see below), whose sum is σ = 433106640. Its totient is φ = 360922180.

The previous prime is 397014389. The next prime is 397014419. The reversal of 397014409 is 904410793.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 397014409 - 2⁷ = 397014281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397014419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18046099 + ... + 18046120.

It is an arithmetic number, because the mean of its divisors is an integer number (108276660).

Almost surely, 2^397014409 is an apocalyptic number.

It is an amenable number.

397014409 is a deficient number, since it is larger than the sum of its proper divisors (36092231).

397014409 is a wasteful number, since it uses less digits than its factorization.

397014409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36092230.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 397014409 is about 19925.2204253805. The cubic root of 397014409 is about 734.9685512637.

The spelling of 397014409 in words is "three hundred ninety-seven million, fourteen thousand, four hundred nine".