97894451 has 4 divisors (see below), whose sum is σ = 97914600. Its totient is φ = 97874304.

The previous prime is 97894439. The next prime is 97894453. The reversal of 97894451 is 15449879.

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 97894451 - 2¹⁰ = 97893427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97894396 and 97894405.

It is not an unprimeable number, because it can be changed into a prime (97894453) 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 3 ways as a sum of consecutive naturals, for example, 2195 + ... + 14163.

It is an arithmetic number, because the mean of its divisors is an integer number (24478650).

Almost surely, 2^97894451 is an apocalyptic number.

97894451 is a deficient number, since it is larger than the sum of its proper divisors (20149).

97894451 is a wasteful number, since it uses less digits than its factorization.

97894451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20148.

The product of its digits is 362880, while the sum is 47.

The square root of 97894451 is about 9894.1624708714. The cubic root of 97894451 is about 460.8780503797.

The spelling of 97894451 in words is "ninety-seven million, eight hundred ninety-four thousand, four hundred fifty-one".