1407444 has 24 divisors (see below), whose sum is σ = 3457440. Its totient is φ = 444384.

The previous prime is 1407409. The next prime is 1407449. The reversal of 1407444 is 4447041.

It is a super-2 number, since 2×1407444² = 3961797226272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1407449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2859 + ... + 3314.

It is an arithmetic number, because the mean of its divisors is an integer number (144060).

2^1407444 is an apocalyptic number.

It is an amenable number.

1407444 is an abundant number, since it is smaller than the sum of its proper divisors (2049996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1407444 is a wasteful number, since it uses less digits than its factorization.

1407444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6199 (or 6197 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 1407444 is about 1186.3574503496. The cubic root of 1407444 is about 112.0668181222.

The spelling of 1407444 in words is "one million, four hundred seven thousand, four hundred forty-four".