7444985 has 16 divisors (see below), whose sum is σ = 9555840. Its totient is φ = 5554560.

The previous prime is 7444981. The next prime is 7444993. The reversal of 7444985 is 5894447.

It is not a de Polignac number, because 7444985 - 2² = 7444981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7444981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3926 + ... + 5504.

It is an arithmetic number, because the mean of its divisors is an integer number (597240).

Almost surely, 2^7444985 is an apocalyptic number.

It is an amenable number.

7444985 is a deficient number, since it is larger than the sum of its proper divisors (2110855).

7444985 is a wasteful number, since it uses less digits than its factorization.

7444985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648.

The product of its digits is 161280, while the sum is 41.

The square root of 7444985 is about 2728.5499812171. The cubic root of 7444985 is about 195.2635926824.

The spelling of 7444985 in words is "seven million, four hundred forty-four thousand, nine hundred eighty-five".