98644607 has 4 divisors (see below), whose sum is σ = 100505880. Its totient is φ = 96783336.

The previous prime is 98644589. The next prime is 98644639. The reversal of 98644607 is 70644689.

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

It is a cyclic number.

It is not a de Polignac number, because 98644607 - 2¹⁴ = 98628223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98644657) 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, 930557 + ... + 930662.

It is an arithmetic number, because the mean of its divisors is an integer number (25126470).

Almost surely, 2^98644607 is an apocalyptic number.

98644607 is a deficient number, since it is larger than the sum of its proper divisors (1861273).

98644607 is a wasteful number, since it uses less digits than its factorization.

98644607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861272.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 98644607 is about 9931.9991441804. Note that the first 3 decimals coincide. The cubic root of 98644607 is about 462.0522778995.

The spelling of 98644607 in words is "ninety-eight million, six hundred forty-four thousand, six hundred seven".