44690447 has 4 divisors (see below), whose sum is σ = 44772696. Its totient is φ = 44608200.

The previous prime is 44690441. The next prime is 44690461. The reversal of 44690447 is 74409644.

It is a happy number.

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 44690447 - 2⁴ = 44690431 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 44690447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44690441) 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, 40304 + ... + 41397.

It is an arithmetic number, because the mean of its divisors is an integer number (11193174).

Almost surely, 2^44690447 is an apocalyptic number.

44690447 is a deficient number, since it is larger than the sum of its proper divisors (82249).

44690447 is an equidigital number, since it uses as much as digits as its factorization.

44690447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82248.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 44690447 is about 6685.0913980289. The cubic root of 44690447 is about 354.8718627672.

The spelling of 44690447 in words is "forty-four million, six hundred ninety thousand, four hundred forty-seven".