44246421 has 24 divisors (see below), whose sum is σ = 68927040. Its totient is φ = 27259200.

The previous prime is 44246407. The next prime is 44246437. The reversal of 44246421 is 12464244.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-44246421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44246471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3856 + ... + 10166.

It is an arithmetic number, because the mean of its divisors is an integer number (2871960).

Almost surely, 2^44246421 is an apocalyptic number.

44246421 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

44246421 is a deficient number, since it is larger than the sum of its proper divisors (24680619).

44246421 is a wasteful number, since it uses less digits than its factorization.

44246421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6377 (or 6374 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 44246421 is about 6651.7983282718. The cubic root of 44246421 is about 353.6926615270.

The spelling of 44246421 in words is "forty-four million, two hundred forty-six thousand, four hundred twenty-one".