44891949 has 4 divisors (see below), whose sum is σ = 59855936. Its totient is φ = 29927964.

The previous prime is 44891941. The next prime is 44891953. The reversal of 44891949 is 94919844.

It is a happy number.

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 not a de Polignac number, because 44891949 - 2³ = 44891941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44891898 and 44891907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44891941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7481989 + ... + 7481994.

It is an arithmetic number, because the mean of its divisors is an integer number (14963984).

Almost surely, 2^44891949 is an apocalyptic number.

It is an amenable number.

44891949 is a deficient number, since it is larger than the sum of its proper divisors (14963987).

44891949 is a wasteful number, since it uses less digits than its factorization.

44891949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14963986.

The product of its digits is 373248, while the sum is 48.

The square root of 44891949 is about 6700.1454461825. The cubic root of 44891949 is about 355.4044164525.

The spelling of 44891949 in words is "forty-four million, eight hundred ninety-one thousand, nine hundred forty-nine".