97381199 has 4 divisors (see below), whose sum is σ = 100522560. Its totient is φ = 94239840.

The previous prime is 97381171. The next prime is 97381243. The reversal of 97381199 is 99118379.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 97381199 - 2²⁰ = 96332623 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 (97381129) 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, 1570634 + ... + 1570695.

It is an arithmetic number, because the mean of its divisors is an integer number (25130640).

Almost surely, 2^97381199 is an apocalyptic number.

97381199 is a deficient number, since it is larger than the sum of its proper divisors (3141361).

97381199 is a wasteful number, since it uses less digits than its factorization.

97381199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141360.

The product of its digits is 122472, while the sum is 47.

The square root of 97381199 is about 9868.1912729740. The cubic root of 97381199 is about 460.0711909351.

The spelling of 97381199 in words is "ninety-seven million, three hundred eighty-one thousand, one hundred ninety-nine".