97149969 has 16 divisors (see below), whose sum is σ = 164487040. Its totient is φ = 55514160.

The previous prime is 97149967. The next prime is 97149973. The reversal of 97149969 is 96994179.

97149969 is a `hidden beast` number, since 97 + 1 + 499 + 69 = 666.

It is not a de Polignac number, because 97149969 - 2¹ = 97149967 is a prime.

It is a super-2 number, since 2×97149969² = 18876232953401922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97149961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256822 + ... + 257199.

It is an arithmetic number, because the mean of its divisors is an integer number (10280440).

Almost surely, 2^97149969 is an apocalyptic number.

It is an amenable number.

97149969 is a deficient number, since it is larger than the sum of its proper divisors (67337071).

97149969 is a wasteful number, since it uses less digits than its factorization.

97149969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514037 (or 514031 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 54.

The square root of 97149969 is about 9856.4683837569. The cubic root of 97149969 is about 459.7067585985.

It can be divided in two parts, 9714 and 9969, that added together give a 9-th power (19683 = 3⁹).

The spelling of 97149969 in words is "ninety-seven million, one hundred forty-nine thousand, nine hundred sixty-nine".