1294644 has 48 divisors (see below), whose sum is σ = 3346112. Its totient is φ = 387072.

The previous prime is 1294639. The next prime is 1294649. The reversal of 1294644 is 4464921.

It is an interprime number because it is at equal distance from previous prime (1294639) and next prime (1294649).

It is a super-2 number, since 2×1294644² = 3352206173472, which contains 22 as substring.

Its product of digits (6912) is a multiple of the sum of its prime factors (256).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1294649) 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, 6612 + ... + 6804.

2^1294644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1294644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1673056).

1294644 is an abundant number, since it is smaller than the sum of its proper divisors (2051468).

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

1294644 is a wasteful number, since it uses less digits than its factorization.

1294644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 254 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 1294644 is about 1137.8242395027. The cubic root of 1294644 is about 108.9891973695.

It can be divided in two parts, 129 and 4644, that multiplied together give a square (599076 = 774²).

The spelling of 1294644 in words is "one million, two hundred ninety-four thousand, six hundred forty-four".