397093061 has 4 divisors (see below), whose sum is σ = 399150732. Its totient is φ = 395035392.

The previous prime is 397093051. The next prime is 397093079. The reversal of 397093061 is 160390793.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 233508961 + 163584100 = 15281^2 + 12790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-397093061 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 (397093001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028546 + ... + 1028931.

It is an arithmetic number, because the mean of its divisors is an integer number (99787683).

Almost surely, 2^397093061 is an apocalyptic number.

It is an amenable number.

397093061 is a deficient number, since it is larger than the sum of its proper divisors (2057671).

397093061 is a wasteful number, since it uses less digits than its factorization.

397093061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057670.

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 397093061 is about 19927.1940071853. The cubic root of 397093061 is about 735.0170826085.

The spelling of 397093061 in words is "three hundred ninety-seven million, ninety-three thousand, sixty-one".