98649790 has 32 divisors (see below), whose sum is σ = 180403200. Its totient is φ = 38836224.

The previous prime is 98649773. The next prime is 98649797. The reversal of 98649790 is 9794689.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98649797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219486 + ... + 219934.

It is an arithmetic number, because the mean of its divisors is an integer number (5637600).

Almost surely, 2^98649790 is an apocalyptic number.

98649790 is a deficient number, since it is larger than the sum of its proper divisors (81753410).

98649790 is a wasteful number, since it uses less digits than its factorization.

98649790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 98649790 is about 9932.2600650607. The cubic root of 98649790 is about 462.0603701649.

The spelling of 98649790 in words is "ninety-eight million, six hundred forty-nine thousand, seven hundred ninety".