44093890 has 8 divisors (see below), whose sum is σ = 79369020. Its totient is φ = 17637552.

The previous prime is 44093887. The next prime is 44093897. The reversal of 44093890 is 9839044.

It can be written as a sum of positive squares in 2 ways, for example, as 43178041 + 915849 = 6571^2 + 957^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×44093890² = 3888542270664200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44093897) 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, 2204685 + ... + 2204704.

Almost surely, 2^44093890 is an apocalyptic number.

44093890 is a deficient number, since it is larger than the sum of its proper divisors (35275130).

44093890 is a wasteful number, since it uses less digits than its factorization.

44093890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4409396.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 44093890 is about 6640.3230343109. The cubic root of 44093890 is about 353.2857645309.

The spelling of 44093890 in words is "forty-four million, ninety-three thousand, eight hundred ninety".