97421558 has 8 divisors (see below), whose sum is σ = 157373328. Its totient is φ = 44963784.

The previous prime is 97421557. The next prime is 97421609. The reversal of 97421558 is 85512479.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97421557) 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, 1873466 + ... + 1873517.

It is an arithmetic number, because the mean of its divisors is an integer number (19671666).

Almost surely, 2^97421558 is an apocalyptic number.

97421558 is a deficient number, since it is larger than the sum of its proper divisors (59951770).

97421558 is a wasteful number, since it uses less digits than its factorization.

97421558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746998.

The product of its digits is 100800, while the sum is 41.

The square root of 97421558 is about 9870.2359647579. The cubic root of 97421558 is about 460.1347399871.

It can be divided in two parts, 97421 and 558, that added together give a palindrome (97979).

The spelling of 97421558 in words is "ninety-seven million, four hundred twenty-one thousand, five hundred fifty-eight".