98900478 has 36 divisors (see below), whose sum is σ = 221723424. Its totient is φ = 31827600.

The previous prime is 98900443. The next prime is 98900507. The reversal of 98900478 is 87400989.

98900478 is a `hidden beast` number, since 98 + 90 + 0 + 478 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 234708 + ... + 235128.

It is an arithmetic number, because the mean of its divisors is an integer number (6158984).

Almost surely, 2^98900478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98900478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110861712).

98900478 is an abundant number, since it is smaller than the sum of its proper divisors (122822946).

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

98900478 is a wasteful number, since it uses less digits than its factorization.

98900478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 98900478 is about 9944.8719448769. The cubic root of 98900478 is about 462.4514337121.

The spelling of 98900478 in words is "ninety-eight million, nine hundred thousand, four hundred seventy-eight".