98439137 has 4 divisors (see below), whose sum is σ = 101833620. Its totient is φ = 95044656.

The previous prime is 98439119. The next prime is 98439139. The reversal of 98439137 is 73193489.

It is a happy number.

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 23512801 + 74926336 = 4849^2 + 8656^2 .

It is a cyclic number.

It is not a de Polignac number, because 98439137 - 2²² = 94244833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98439139) 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, 1697198 + ... + 1697255.

It is an arithmetic number, because the mean of its divisors is an integer number (25458405).

Almost surely, 2^98439137 is an apocalyptic number.

It is an amenable number.

98439137 is a deficient number, since it is larger than the sum of its proper divisors (3394483).

98439137 is a wasteful number, since it uses less digits than its factorization.

98439137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394482.

The product of its digits is 163296, while the sum is 44.

The square root of 98439137 is about 9921.6499131949. The cubic root of 98439137 is about 461.7312470894.

The spelling of 98439137 in words is "ninety-eight million, four hundred thirty-nine thousand, one hundred thirty-seven".