1868265 has 40 divisors (see below), whose sum is σ = 3833280. Its totient is φ = 852768.

The previous prime is 1868261. The next prime is 1868287. The reversal of 1868265 is 5628681.

It is a happy number.

It is not a de Polignac number, because 1868265 - 2² = 1868261 is a prime.

It is a super-2 number, since 2×1868265² = 6980828220450, which contains 22 as substring.

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 39 ways as a sum of consecutive naturals, for example, 2506 + ... + 3164.

It is an arithmetic number, because the mean of its divisors is an integer number (95832).

2^1868265 is an apocalyptic number.

1868265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1868265 is an abundant number, since it is smaller than the sum of its proper divisors (1965015).

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

1868265 is an equidigital number, since it uses as much as digits as its factorization.

1868265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 674 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 1868265 is about 1366.8449070761. The cubic root of 1868265 is about 123.1627826878.

The spelling of 1868265 in words is "one million, eight hundred sixty-eight thousand, two hundred sixty-five".