1244490 has 32 divisors (see below), whose sum is σ = 3217536. Its totient is φ = 306240.

The previous prime is 1244483. The next prime is 1244501. The reversal of 1244490 is 944421.

It is a self number, because there is not a number n which added to its sum of digits gives 1244490.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1206 + ... + 1985.

It is an arithmetic number, because the mean of its divisors is an integer number (100548).

2^1244490 is an apocalyptic number.

1244490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1244490 is an abundant number, since it is smaller than the sum of its proper divisors (1973046).

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

1244490 is a wasteful number, since it uses less digits than its factorization.

1244490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1244490 is about 1115.5671203473. The cubic root of 1244490 is about 107.5632222304.

The spelling of 1244490 in words is "one million, two hundred forty-four thousand, four hundred ninety".