99030637 has 4 divisors (see below), whose sum is σ = 99245916. Its totient is φ = 98815360.

The previous prime is 99030583. The next prime is 99030653. The reversal of 99030637 is 73603099.

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 19660356 + 79370281 = 4434^2 + 8909^2 .

It is a cyclic number.

It is not a de Polignac number, because 99030637 - 2¹⁵ = 98997869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99030596 and 99030605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99030667) 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, 106948 + ... + 107869.

It is an arithmetic number, because the mean of its divisors is an integer number (24811479).

Almost surely, 2^99030637 is an apocalyptic number.

It is an amenable number.

99030637 is a deficient number, since it is larger than the sum of its proper divisors (215279).

99030637 is a wasteful number, since it uses less digits than its factorization.

99030637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215278.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 99030637 is about 9951.4138191515. The cubic root of 99030637 is about 462.6542161156.

The spelling of 99030637 in words is "ninety-nine million, thirty thousand, six hundred thirty-seven".