97842456 has 48 divisors (see below), whose sum is σ = 265636800. Its totient is φ = 32534592.

The previous prime is 97842443. The next prime is 97842487. The reversal of 97842456 is 65424879.

It is a happy number.

It is a super-2 number, since 2×97842456² = 19146292392223872, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33070 + ... + 35906.

It is an arithmetic number, because the mean of its divisors is an integer number (5534100).

Almost surely, 2^97842456 is an apocalyptic number.

It is an amenable number.

97842456 is an abundant number, since it is smaller than the sum of its proper divisors (167794344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97842456 is a wasteful number, since it uses less digits than its factorization.

97842456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328 (or 3321 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 97842456 is about 9891.5345624428. The cubic root of 97842456 is about 460.7964400405.

It can be divided in two parts, 978 and 42456, that added together give a palindrome (43434).

The spelling of 97842456 in words is "ninety-seven million, eight hundred forty-two thousand, four hundred fifty-six".