98402690 has 8 divisors (see below), whose sum is σ = 177124860. Its totient is φ = 39361072.

The previous prime is 98402683. The next prime is 98402719. The reversal of 98402690 is 9620489.

It can be written as a sum of positive squares in 2 ways, for example, as 98386561 + 16129 = 9919^2 + 127^2 .

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

It is a super-2 number, since 2×98402690² = 19366178798472200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4920125 + ... + 4920144.

Almost surely, 2^98402690 is an apocalyptic number.

98402690 is a deficient number, since it is larger than the sum of its proper divisors (78722170).

98402690 is a wasteful number, since it uses less digits than its factorization.

98402690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9840276.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 98402690 is about 9919.8130022698. The cubic root of 98402690 is about 461.6742548651.

The spelling of 98402690 in words is "ninety-eight million, four hundred two thousand, six hundred ninety".