97807401 has 12 divisors (see below), whose sum is σ = 146149380. Its totient is φ = 62956320.

The previous prime is 97807397. The next prime is 97807403. The reversal of 97807401 is 10470879.

It can be written as a sum of positive squares in 2 ways, for example, as 30239001 + 67568400 = 5499^2 + 8220^2 .

It is not a de Polignac number, because 97807401 - 2² = 97807397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97807403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187110 + ... + 187631.

It is an arithmetic number, because the mean of its divisors is an integer number (12179115).

Almost surely, 2^97807401 is an apocalyptic number.

It is an amenable number.

97807401 is a deficient number, since it is larger than the sum of its proper divisors (48341979).

97807401 is a wasteful number, since it uses less digits than its factorization.

97807401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374776 (or 374773 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 97807401 is about 9889.7624339516. The cubic root of 97807401 is about 460.7414020765.

The spelling of 97807401 in words is "ninety-seven million, eight hundred seven thousand, four hundred one".