98723490 has 32 divisors (see below), whose sum is σ = 242718336. Its totient is φ = 25683840.

The previous prime is 98723489. The next prime is 98723501. The reversal of 98723490 is 9432789.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38902 + ... + 41361.

It is an arithmetic number, because the mean of its divisors is an integer number (7584948).

Almost surely, 2^98723490 is an apocalyptic number.

98723490 is an abundant number, since it is smaller than the sum of its proper divisors (143994846).

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

98723490 is a wasteful number, since it uses less digits than its factorization.

98723490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80314.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 98723490 is about 9935.9695047841. The cubic root of 98723490 is about 462.1754079918.

The spelling of 98723490 in words is "ninety-eight million, seven hundred twenty-three thousand, four hundred ninety".