98731946 has 4 divisors (see below), whose sum is σ = 148097922. Its totient is φ = 49365972.

The previous prime is 98731943. The next prime is 98731987. The reversal of 98731946 is 64913789.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64913789 = 43 ⋅1509623.

It can be written as a sum of positive squares in only one way, i.e., 97318225 + 1413721 = 9865^2 + 1189^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 98731946.

It is not an unprimeable number, because it can be changed into a prime (98731943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24682985 + ... + 24682988.

Almost surely, 2^98731946 is an apocalyptic number.

98731946 is a deficient number, since it is larger than the sum of its proper divisors (49365976).

98731946 is a wasteful number, since it uses less digits than its factorization.

98731946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49365975.

The product of its digits is 326592, while the sum is 47.

The square root of 98731946 is about 9936.3950203280. The cubic root of 98731946 is about 462.1886032427.

The spelling of 98731946 in words is "ninety-eight million, seven hundred thirty-one thousand, nine hundred forty-six".