97489388 has 6 divisors (see below), whose sum is σ = 170606436. Its totient is φ = 48744692.

The previous prime is 97489369. The next prime is 97489409. The reversal of 97489388 is 88398479.

It is a super-2 number, since 2×97489388² = 19008361545229088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12186170 + ... + 12186177.

It is an arithmetic number, because the mean of its divisors is an integer number (28434406).

Almost surely, 2^97489388 is an apocalyptic number.

It is an amenable number.

97489388 is a deficient number, since it is larger than the sum of its proper divisors (73117048).

97489388 is a wasteful number, since it uses less digits than its factorization.

97489388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24372351 (or 24372349 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 56.

The square root of 97489388 is about 9873.6714549351. The cubic root of 97489388 is about 460.2415051949.

Subtracting from 97489388 its reverse (88398479), we obtain a palindrome (9090909).

The spelling of 97489388 in words is "ninety-seven million, four hundred eighty-nine thousand, three hundred eighty-eight".