397079027 has 4 divisors (see below), whose sum is σ = 403809240. Its totient is φ = 390348816.

The previous prime is 397078961. The next prime is 397079029. The reversal of 397079027 is 720970793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 720970793 = 743 ⋅970351.

It is a cyclic number.

It is not a de Polignac number, because 397079027 - 2¹⁴ = 397062643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397079029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3365018 + ... + 3365135.

It is an arithmetic number, because the mean of its divisors is an integer number (100952310).

Almost surely, 2^397079027 is an apocalyptic number.

397079027 is a deficient number, since it is larger than the sum of its proper divisors (6730213).

397079027 is an equidigital number, since it uses as much as digits as its factorization.

397079027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6730212.

The product of its (nonzero) digits is 166698, while the sum is 44.

The square root of 397079027 is about 19926.8418722085. The cubic root of 397079027 is about 735.0084235541.

The spelling of 397079027 in words is "three hundred ninety-seven million, seventy-nine thousand, twenty-seven".