98987429 has 8 divisors (see below), whose sum is σ = 100264320. Its totient is φ = 97716816.

The previous prime is 98987417. The next prime is 98987443. The reversal of 98987429 is 92478989.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98987429 is a prime.

It is a super-2 number, since 2×98987429² = 19597022200060082, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98987459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35639 + ... + 38315.

It is an arithmetic number, because the mean of its divisors is an integer number (12533040).

Almost surely, 2^98987429 is an apocalyptic number.

It is an amenable number.

98987429 is a deficient number, since it is larger than the sum of its proper divisors (1276891).

98987429 is a wasteful number, since it uses less digits than its factorization.

98987429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139.

The product of its digits is 2612736, while the sum is 56.

The square root of 98987429 is about 9949.2426344923. The cubic root of 98987429 is about 462.5869195294.

The spelling of 98987429 in words is "ninety-eight million, nine hundred eighty-seven thousand, four hundred twenty-nine".