87241398 has 8 divisors (see below), whose sum is σ = 174482808. Its totient is φ = 29080464.

The previous prime is 87241397. The next prime is 87241403. The reversal of 87241398 is 89314278.

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

87241398 is an admirable number.

It is a super-2 number, since 2×87241398² = 15222123049988808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87241397) 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, 7270111 + ... + 7270122.

It is an arithmetic number, because the mean of its divisors is an integer number (21810351).

Almost surely, 2^87241398 is an apocalyptic number.

87241398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87241398 is a wasteful number, since it uses less digits than its factorization.

87241398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14540238.

The product of its digits is 96768, while the sum is 42.

The square root of 87241398 is about 9340.3103802818. The cubic root of 87241398 is about 443.5142097725.

The spelling of 87241398 in words is "eighty-seven million, two hundred forty-one thousand, three hundred ninety-eight".