98578426 has 4 divisors (see below), whose sum is σ = 147867642. Its totient is φ = 49289212.

The previous prime is 98578423. The next prime is 98578429. The reversal of 98578426 is 62487589.

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

It is an interprime number because it is at equal distance from previous prime (98578423) and next prime (98578429).

It can be written as a sum of positive squares in only one way, i.e., 66667225 + 31911201 = 8165^2 + 5649^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 98578426.

It is not an unprimeable number, because it can be changed into a prime (98578421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24644605 + ... + 24644608.

Almost surely, 2^98578426 is an apocalyptic number.

98578426 is a deficient number, since it is larger than the sum of its proper divisors (49289216).

98578426 is a wasteful number, since it uses less digits than its factorization.

98578426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49289215.

The product of its digits is 967680, while the sum is 49.

The square root of 98578426 is about 9928.6668792945. Note that the first 3 decimals coincide. The cubic root of 98578426 is about 461.9489239713.

The spelling of 98578426 in words is "ninety-eight million, five hundred seventy-eight thousand, four hundred twenty-six".