97851489 has 8 divisors (see below), whose sum is σ = 130522080. Its totient is φ = 65207616.

The previous prime is 97851451. The next prime is 97851491. The reversal of 97851489 is 98415879.

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

It is not a de Polignac number, because 97851489 - 2¹⁶ = 97785953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97853489) 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, 4582 + ... + 14720.

It is an arithmetic number, because the mean of its divisors is an integer number (16315260).

Almost surely, 2^97851489 is an apocalyptic number.

It is an amenable number.

97851489 is a deficient number, since it is larger than the sum of its proper divisors (32670591).

97851489 is a wasteful number, since it uses less digits than its factorization.

97851489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13359.

The product of its digits is 725760, while the sum is 51.

The square root of 97851489 is about 9891.9911544643. The cubic root of 97851489 is about 460.8106201362.

The spelling of 97851489 in words is "ninety-seven million, eight hundred fifty-one thousand, four hundred eighty-nine".