44949381 has 4 divisors (see below), whose sum is σ = 59932512. Its totient is φ = 29966252.

The previous prime is 44949329. The next prime is 44949389. The reversal of 44949381 is 18394944.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44949381 - 2¹³ = 44941189 is a prime.

It is a super-2 number, since 2×44949381² = 4040893704566322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44949389) 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, 7491561 + ... + 7491566.

It is an arithmetic number, because the mean of its divisors is an integer number (14983128).

Almost surely, 2^44949381 is an apocalyptic number.

It is an amenable number.

44949381 is a deficient number, since it is larger than the sum of its proper divisors (14983131).

44949381 is a wasteful number, since it uses less digits than its factorization.

44949381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14983130.

The product of its digits is 124416, while the sum is 42.

The square root of 44949381 is about 6704.4299533965. The cubic root of 44949381 is about 355.5559127203. Note that the first 3 decimals are identical.

The spelling of 44949381 in words is "forty-four million, nine hundred forty-nine thousand, three hundred eighty-one".