98723261 has 8 divisors (see below), whose sum is σ = 121505664. Its totient is φ = 78110640.

The previous prime is 98723243. The next prime is 98723263. The reversal of 98723261 is 16232789.

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

It is a cyclic number.

It is not a de Polignac number, because 98723261 - 2⁶ = 98723197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98723263) 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, 542345 + ... + 542526.

It is an arithmetic number, because the mean of its divisors is an integer number (15188208).

Almost surely, 2^98723261 is an apocalyptic number.

98723261 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

98723261 is a deficient number, since it is larger than the sum of its proper divisors (22782403).

98723261 is a wasteful number, since it uses less digits than its factorization.

98723261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084891.

The product of its digits is 36288, while the sum is 38.

The square root of 98723261 is about 9935.9579809901. The cubic root of 98723261 is about 462.1750506359.

The spelling of 98723261 in words is "ninety-eight million, seven hundred twenty-three thousand, two hundred sixty-one".