1560740 has 24 divisors (see below), whose sum is σ = 3325560. Its totient is φ = 615168.

The previous prime is 1560739. The next prime is 1560743. The reversal of 1560740 is 470651.

It can be written as a sum of positive squares in 4 ways, for example, as 173056 + 1387684 = 416^2 + 1178^2 .

It is not an unprimeable number, because it can be changed into a prime (1560743) 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, 926 + ... + 1994.

It is an arithmetic number, because the mean of its divisors is an integer number (138565).

2^1560740 is an apocalyptic number.

1560740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1560740 is an abundant number, since it is smaller than the sum of its proper divisors (1764820).

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

1560740 is a wasteful number, since it uses less digits than its factorization.

1560740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151 (or 1149 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 1560740 is about 1249.2958016419. The cubic root of 1560740 is about 115.9961354242.

The spelling of 1560740 in words is "one million, five hundred sixty thousand, seven hundred forty".