98981630 has 48 divisors (see below), whose sum is σ = 197361360. Its totient is φ = 35713920.

The previous prime is 98981551. The next prime is 98981647. The reversal of 98981630 is 3618989.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216362 + ... + 216818.

It is an arithmetic number, because the mean of its divisors is an integer number (4111695).

Almost surely, 2^98981630 is an apocalyptic number.

98981630 is a deficient number, since it is larger than the sum of its proper divisors (98379730).

98981630 is a wasteful number, since it uses less digits than its factorization.

98981630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 98981630 is about 9948.9512010061. The cubic root of 98981630 is about 462.5778860796.

The spelling of 98981630 in words is "ninety-eight million, nine hundred eighty-one thousand, six hundred thirty".