373648897 has 2 divisors, whose sum is σ = 373648898. Its totient is φ = 373648896.

The previous prime is 373648843. The next prime is 373648937. The reversal of 373648897 is 798846373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277922241 + 95726656 = 16671^2 + 9784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-373648897 is a prime.

It is a super-2 number, since 2×373648897² = 279226996458633218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (373648817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186824448 + 186824449.

It is an arithmetic number, because the mean of its divisors is an integer number (186824449).

Almost surely, 2^373648897 is an apocalyptic number.

It is an amenable number.

373648897 is a deficient number, since it is larger than the sum of its proper divisors (1).

373648897 is an equidigital number, since it uses as much as digits as its factorization.

373648897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 55.

The square root of 373648897 is about 19329.9999224004. Note that the first 4 decimals coincide. The cubic root of 373648897 is about 720.2576861845.

It can be divided in two parts, 373648 and 897, that added together give a triangular number (374545 = T₈₆₅).

The spelling of 373648897 in words is "three hundred seventy-three million, six hundred forty-eight thousand, eight hundred ninety-seven".