88840398 has 64 divisors (see below), whose sum is σ = 194918400. Its totient is φ = 26906880.

The previous prime is 88840391. The next prime is 88840417. The reversal of 88840398 is 89304888.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88840391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 316018 + ... + 316298.

It is an arithmetic number, because the mean of its divisors is an integer number (3045600).

Almost surely, 2^88840398 is an apocalyptic number.

88840398 is an abundant number, since it is smaller than the sum of its proper divisors (106078002).

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

88840398 is a wasteful number, since it uses less digits than its factorization.

88840398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417.

The product of its (nonzero) digits is 442368, while the sum is 48.

The square root of 88840398 is about 9425.5184472792. The cubic root of 88840398 is about 446.2074651296.

The spelling of 88840398 in words is "eighty-eight million, eight hundred forty thousand, three hundred ninety-eight".