44498639 has 4 divisors (see below), whose sum is σ = 47116224. Its totient is φ = 41881056.

The previous prime is 44498603. The next prime is 44498677. The reversal of 44498639 is 93689444.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44498639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44498593 and 44498602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44498689) 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, 1308767 + ... + 1308800.

It is an arithmetic number, because the mean of its divisors is an integer number (11779056).

Almost surely, 2^44498639 is an apocalyptic number.

44498639 is a deficient number, since it is larger than the sum of its proper divisors (2617585).

44498639 is a wasteful number, since it uses less digits than its factorization.

44498639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2617584.

The product of its digits is 746496, while the sum is 47.

The square root of 44498639 is about 6670.7300200203. The cubic root of 44498639 is about 354.3634403524.

The spelling of 44498639 in words is "forty-four million, four hundred ninety-eight thousand, six hundred thirty-nine".