97442536 has 16 divisors (see below), whose sum is σ = 190648800. Its totient is φ = 46602864.

The previous prime is 97442531. The next prime is 97442551. The reversal of 97442536 is 63524479.

It is a happy number.

It is a super-2 number, since 2×97442536² = 18990095644222592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97442531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264606 + ... + 264973.

It is an arithmetic number, because the mean of its divisors is an integer number (11915550).

Almost surely, 2^97442536 is an apocalyptic number.

It is an amenable number.

97442536 is a deficient number, since it is larger than the sum of its proper divisors (93206264).

97442536 is a wasteful number, since it uses less digits than its factorization.

97442536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529608 (or 529604 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 97442536 is about 9871.2985974491. The cubic root of 97442536 is about 460.1677648946.

The spelling of 97442536 in words is "ninety-seven million, four hundred forty-two thousand, five hundred thirty-six".