1456644 has 24 divisors (see below), whose sum is σ = 3884608. Its totient is φ = 416160.

The previous prime is 1456643. The next prime is 1456657. The reversal of 1456644 is 4466541.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1456643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8587 + ... + 8754.

2^1456644 is an apocalyptic number.

1456644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1456644 is an abundant number, since it is smaller than the sum of its proper divisors (2427964).

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

1456644 is a wasteful number, since it uses less digits than its factorization.

1456644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17355 (or 17353 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 1456644 is about 1206.9150757199. The cubic root of 1456644 is about 113.3577302341.

The spelling of 1456644 in words is "one million, four hundred fifty-six thousand, six hundred forty-four".