97400381 has 8 divisors (see below), whose sum is σ = 105283584. Its totient is φ = 89573040.

The previous prime is 97400353. The next prime is 97400383. The reversal of 97400381 is 18300479.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97400381 - 2²⁶ = 30291517 is a prime.

It is a super-2 number, since 2×97400381² = 18973668437890322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97400383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10301 + ... + 17346.

It is an arithmetic number, because the mean of its divisors is an integer number (13160448).

Almost surely, 2^97400381 is an apocalyptic number.

It is an amenable number.

97400381 is a deficient number, since it is larger than the sum of its proper divisors (7883203).

97400381 is a wasteful number, since it uses less digits than its factorization.

97400381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27931.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 97400381 is about 9869.1631357476. The cubic root of 97400381 is about 460.1013969923.

The spelling of 97400381 in words is "ninety-seven million, four hundred thousand, three hundred eighty-one".