44697689 has 4 divisors (see below), whose sum is σ = 45430500. Its totient is φ = 43964880.

The previous prime is 44697677. The next prime is 44697701. The reversal of 44697689 is 98679644.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (44697677) and next prime (44697701).

It can be written as a sum of positive squares in 2 ways, for example, as 1243225 + 43454464 = 1115^2 + 6592^2 .

It is a cyclic number.

It is not a de Polignac number, because 44697689 - 2²⁰ = 43649113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44697689.

It is not an unprimeable number, because it can be changed into a prime (44697619) 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, 366314 + ... + 366435.

It is an arithmetic number, because the mean of its divisors is an integer number (11357625).

Almost surely, 2^44697689 is an apocalyptic number.

It is an amenable number.

44697689 is a deficient number, since it is larger than the sum of its proper divisors (732811).

44697689 is an equidigital number, since it uses as much as digits as its factorization.

44697689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732810.

The product of its digits is 2612736, while the sum is 53.

The square root of 44697689 is about 6685.6330291155. The cubic root of 44697689 is about 354.8910304969.

The spelling of 44697689 in words is "forty-four million, six hundred ninety-seven thousand, six hundred eighty-nine".