1400244 has 12 divisors (see below), whose sum is σ = 3267264. Its totient is φ = 466744.

The previous prime is 1400197. The next prime is 1400249. The reversal of 1400244 is 4420041.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400249) 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, 58332 + ... + 58355.

It is an arithmetic number, because the mean of its divisors is an integer number (272272).

2^1400244 is an apocalyptic number.

It is an amenable number.

1400244 is an abundant number, since it is smaller than the sum of its proper divisors (1867020).

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

1400244 is a wasteful number, since it uses less digits than its factorization.

1400244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116694 (or 116692 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 1400244 is about 1183.3190609468. The cubic root of 1400244 is about 111.8753928807.

Adding to 1400244 its reverse (4420041), we get a palindrome (5820285).

The spelling of 1400244 in words is "one million, four hundred thousand, two hundred forty-four".