893874197 has 2 divisors, whose sum is σ = 893874198. Its totient is φ = 893874196.

The previous prime is 893874151. The next prime is 893874211. The reversal of 893874197 is 791478398.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 839202961 + 54671236 = 28969^2 + 7394^2 .

It is a cyclic number.

It is not a de Polignac number, because 893874197 - 2⁸ = 893873941 is a prime.

It is a super-2 number, since 2×893874197² = 1598022160124789618, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (893874697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 446937098 + 446937099.

It is an arithmetic number, because the mean of its divisors is an integer number (446937099).

Almost surely, 2^893874197 is an apocalyptic number.

It is an amenable number.

893874197 is a deficient number, since it is larger than the sum of its proper divisors (1).

893874197 is an equidigital number, since it uses as much as digits as its factorization.

893874197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 56.

The square root of 893874197 is about 29897.7289605749. The cubic root of 893874197 is about 963.2938781535.

The spelling of 893874197 in words is "eight hundred ninety-three million, eight hundred seventy-four thousand, one hundred ninety-seven".