87298398 has 40 divisors (see below), whose sum is σ = 213400440. Its totient is φ = 26453520.

The previous prime is 87298373. The next prime is 87298433. The reversal of 87298398 is 89389278.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22713 + ... + 26276.

It is an arithmetic number, because the mean of its divisors is an integer number (5335011).

Almost surely, 2^87298398 is an apocalyptic number.

87298398 is an abundant number, since it is smaller than the sum of its proper divisors (126102042).

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

87298398 is a wasteful number, since it uses less digits than its factorization.

87298398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49014 (or 49005 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 87298398 is about 9343.3611725117. The cubic root of 87298398 is about 443.6107801577.

The spelling of 87298398 in words is "eighty-seven million, two hundred ninety-eight thousand, three hundred ninety-eight".