98475749 has 4 divisors (see below), whose sum is σ = 100333836. Its totient is φ = 96617664.

The previous prime is 98475701. The next prime is 98475757. The reversal of 98475749 is 94757489.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33431524 + 65044225 = 5782^2 + 8065^2 .

It is a cyclic number.

It is not a de Polignac number, because 98475749 - 2⁸ = 98475493 is a prime.

It is a super-2 number, since 2×98475749² = 19394946282222002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53), and also a Moran number because the ratio is a prime number: 1858033 = 98475749 / (9 + 8 + 4 + 7 + 5 + 7 + 4 + 9).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98475749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98475049) 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, 928964 + ... + 929069.

It is an arithmetic number, because the mean of its divisors is an integer number (25083459).

Almost surely, 2^98475749 is an apocalyptic number.

It is an amenable number.

98475749 is a deficient number, since it is larger than the sum of its proper divisors (1858087).

98475749 is a wasteful number, since it uses less digits than its factorization.

98475749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858086.

The product of its digits is 2540160, while the sum is 53.

The square root of 98475749 is about 9923.4947977011. The cubic root of 98475749 is about 461.7884831629.

The spelling of 98475749 in words is "ninety-eight million, four hundred seventy-five thousand, seven hundred forty-nine".