1456740 has 36 divisors (see below), whose sum is σ = 4419324. Its totient is φ = 388416.

The previous prime is 1456739. The next prime is 1456759. The reversal of 1456740 is 476541.

It can be written as a sum of positive squares in 2 ways, for example, as 580644 + 876096 = 762^2 + 936^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3867 + ... + 4226.

It is an arithmetic number, because the mean of its divisors is an integer number (122759).

2^1456740 is an apocalyptic number.

1456740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1456740 is an abundant number, since it is smaller than the sum of its proper divisors (2962584).

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

1456740 is a wasteful number, since it uses less digits than its factorization.

1456740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8108 (or 8103 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1456740 is about 1206.9548458828. The cubic root of 1456740 is about 113.3602204566.

The spelling of 1456740 in words is "one million, four hundred fifty-six thousand, seven hundred forty".