97647401 has 4 divisors (see below), whose sum is σ = 97688400. Its totient is φ = 97606404.

The previous prime is 97647391. The next prime is 97647421. The reversal of 97647401 is 10474679.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10474679 = 283 ⋅37013.

It is a cyclic number.

It is not a de Polignac number, because 97647401 - 2¹⁸ = 97385257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97647421) 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, 16691 + ... + 21768.

It is an arithmetic number, because the mean of its divisors is an integer number (24422100).

Almost surely, 2^97647401 is an apocalyptic number.

It is an amenable number.

97647401 is a deficient number, since it is larger than the sum of its proper divisors (40999).

97647401 is a wasteful number, since it uses less digits than its factorization.

97647401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40998.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 97647401 is about 9881.6699499629. The cubic root of 97647401 is about 460.4900275788.

The spelling of 97647401 in words is "ninety-seven million, six hundred forty-seven thousand, four hundred one".