1400944 has 10 divisors (see below), whose sum is σ = 2714360. Its totient is φ = 700464.

The previous prime is 1400941. The next prime is 1400947. The reversal of 1400944 is 4490041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1400941) and next prime (1400947).

It is a super-2 number, since 2×1400944² = 3925288182272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43764 + ... + 43795.

It is an arithmetic number, because the mean of its divisors is an integer number (271436).

2^1400944 is an apocalyptic number.

It is an amenable number.

1400944 is a deficient number, since it is larger than the sum of its proper divisors (1313416).

1400944 is an equidigital number, since it uses as much as digits as its factorization.

1400944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87567 (or 87561 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1400944 is about 1183.6148022055. The cubic root of 1400944 is about 111.8940324246.

Adding to 1400944 its reverse (4490041), we get a palindrome (5890985).

The spelling of 1400944 in words is "one million, four hundred thousand, nine hundred forty-four".