874401397 has 2 divisors, whose sum is σ = 874401398. Its totient is φ = 874401396.

The previous prime is 874401377. The next prime is 874401403. The reversal of 874401397 is 793104478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 724363396 + 150038001 = 26914^2 + 12249^2 .

It is a cyclic number.

It is not a de Polignac number, because 874401397 - 2²³ = 866012789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (874401377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437200698 + 437200699.

It is an arithmetic number, because the mean of its divisors is an integer number (437200699).

Almost surely, 2^874401397 is an apocalyptic number.

It is an amenable number.

874401397 is a deficient number, since it is larger than the sum of its proper divisors (1).

874401397 is an equidigital number, since it uses as much as digits as its factorization.

874401397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 874401397 is about 29570.2789469427. The cubic root of 874401397 is about 956.2474299445.

The spelling of 874401397 in words is "eight hundred seventy-four million, four hundred one thousand, three hundred ninety-seven".