98620731 has 12 divisors (see below), whose sum is σ = 155402520. Its totient is φ = 59770080.

The previous prime is 98620729. The next prime is 98620733. The reversal of 98620731 is 13702689.

It is an interprime number because it is at equal distance from previous prime (98620729) and next prime (98620733).

It is not a de Polignac number, because 98620731 - 2¹ = 98620729 is a prime.

It is a super-3 number, since 3×98620731³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (98620733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497986 + ... + 498183.

It is an arithmetic number, because the mean of its divisors is an integer number (12950210).

Almost surely, 2^98620731 is an apocalyptic number.

98620731 is a deficient number, since it is larger than the sum of its proper divisors (56781789).

98620731 is a wasteful number, since it uses less digits than its factorization.

98620731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996186 (or 996183 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 98620731 is about 9930.7970979172. The cubic root of 98620731 is about 462.0149964211.

The spelling of 98620731 in words is "ninety-eight million, six hundred twenty thousand, seven hundred thirty-one".