1868260 has 24 divisors (see below), whose sum is σ = 3963960. Its totient is φ = 739584.

The previous prime is 1868257. The next prime is 1868261. The reversal of 1868260 is 628681.

It can be written as a sum of positive squares in 4 ways, for example, as 736164 + 1132096 = 858^2 + 1064^2 .

It is not an unprimeable number, because it can be changed into a prime (1868261) 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, 1752 + ... + 2608.

It is an arithmetic number, because the mean of its divisors is an integer number (165165).

2^1868260 is an apocalyptic number.

1868260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1868260 is an abundant number, since it is smaller than the sum of its proper divisors (2095700).

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

1868260 is a wasteful number, since it uses less digits than its factorization.

1868260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1868260 is about 1366.8430780452. The cubic root of 1868260 is about 123.1626728150.

The spelling of 1868260 in words is "one million, eight hundred sixty-eight thousand, two hundred sixty".