98987654 has 8 divisors (see below), whose sum is σ = 152494608. Its totient is φ = 48156120.

The previous prime is 98987641. The next prime is 98987657. The reversal of 98987654 is 45678989.

98987654 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

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

It is a self number, because there is not a number n which added to its sum of digits gives 98987654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98987657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668762 + ... + 668909.

It is an arithmetic number, because the mean of its divisors is an integer number (19061826).

Almost surely, 2^98987654 is an apocalyptic number.

98987654 is a deficient number, since it is larger than the sum of its proper divisors (53506954).

98987654 is a wasteful number, since it uses less digits than its factorization.

98987654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337710.

The product of its digits is 4354560, while the sum is 56.

The square root of 98987654 is about 9949.2539418793. The cubic root of 98987654 is about 462.5872700183.

The spelling of 98987654 in words is "ninety-eight million, nine hundred eighty-seven thousand, six hundred fifty-four".