44666399 has 4 divisors (see below), whose sum is σ = 44987880. Its totient is φ = 44344920.

The previous prime is 44666393. The next prime is 44666411. The reversal of 44666399 is 99366644.

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 44666399 - 2⁸ = 44666143 is a prime.

It is a super-3 number, since 3×44666399³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44666393) 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, 160532 + ... + 160809.

It is an arithmetic number, because the mean of its divisors is an integer number (11246970).

Almost surely, 2^44666399 is an apocalyptic number.

44666399 is a deficient number, since it is larger than the sum of its proper divisors (321481).

44666399 is a wasteful number, since it uses less digits than its factorization.

44666399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321480.

The product of its digits is 839808, while the sum is 47.

The square root of 44666399 is about 6683.2925268912. The cubic root of 44666399 is about 354.8081989770.

The spelling of 44666399 in words is "forty-four million, six hundred sixty-six thousand, three hundred ninety-nine".