1812460 has 24 divisors (see below), whose sum is σ = 4099536. Its totient is φ = 669120.

The previous prime is 1812457. The next prime is 1812509. The reversal of 1812460 is 642181.

It is a super-2 number, since 2×1812460² = 6570022503200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3226 + ... + 3745.

It is an arithmetic number, because the mean of its divisors is an integer number (170814).

2^1812460 is an apocalyptic number.

1812460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1812460 is an abundant number, since it is smaller than the sum of its proper divisors (2287076).

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

1812460 is a wasteful number, since it uses less digits than its factorization.

1812460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6993 (or 6991 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1812460 is about 1346.2763460746. The cubic root of 1812460 is about 121.9240771009.

The spelling of 1812460 in words is "one million, eight hundred twelve thousand, four hundred sixty".