1440988 has 12 divisors (see below), whose sum is σ = 2670192. Its totient is φ = 678080.

The previous prime is 1440983. The next prime is 1441001. The reversal of 1440988 is 8890441.

It is a super-2 number, since 2×1440988² = 4152892832288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440983) 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, 10528 + ... + 10663.

It is an arithmetic number, because the mean of its divisors is an integer number (222516).

2^1440988 is an apocalyptic number.

It is an amenable number.

1440988 is a deficient number, since it is larger than the sum of its proper divisors (1229204).

1440988 is a wasteful number, since it uses less digits than its factorization.

1440988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21212 (or 21210 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1440988 is about 1200.4115960786. The cubic root of 1440988 is about 112.9501437724.

The spelling of 1440988 in words is "one million, four hundred forty thousand, nine hundred eighty-eight".