97028169 has 32 divisors (see below), whose sum is σ = 151173120. Its totient is φ = 54214272.

The previous prime is 97028159. The next prime is 97028207. The reversal of 97028169 is 96182079.

It is not a de Polignac number, because 97028169 - 2⁴ = 97028153 is a prime.

It is a super-2 number, since 2×97028169² = 18828931158985122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97028169.

It is not an unprimeable number, because it can be changed into a prime (97028119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255822 + ... + 256200.

It is an arithmetic number, because the mean of its divisors is an integer number (4724160).

Almost surely, 2^97028169 is an apocalyptic number.

It is an amenable number.

97028169 is a deficient number, since it is larger than the sum of its proper divisors (54144951).

97028169 is a wasteful number, since it uses less digits than its factorization.

97028169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 97028169 is about 9850.2877622941. The cubic root of 97028169 is about 459.5145619364.

It can be divided in two parts, 9702 and 8169, that added together give a palindrome (17871).

The spelling of 97028169 in words is "ninety-seven million, twenty-eight thousand, one hundred sixty-nine".