1456940 has 24 divisors (see below), whose sum is σ = 3095232. Its totient is φ = 576000.

The previous prime is 1456937. The next prime is 1456943. The reversal of 1456940 is 496541.

1456940 = 171² + 172² + ... + 210².

It is an interprime number because it is at equal distance from previous prime (1456937) and next prime (1456943).

It is not an unprimeable number, because it can be changed into a prime (1456943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1565 + ... + 2315.

It is an arithmetic number, because the mean of its divisors is an integer number (128968).

2^1456940 is an apocalyptic number.

1456940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1456940 is an abundant number, since it is smaller than the sum of its proper divisors (1638292).

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

1456940 is a wasteful number, since it uses less digits than its factorization.

1456940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1456940 is about 1207.0376961802. The cubic root of 1456940 is about 113.3654080688.

The spelling of 1456940 in words is "one million, four hundred fifty-six thousand, nine hundred forty".