1881546 has 16 divisors (see below), whose sum is σ = 3776544. Its totient is φ = 624944.

The previous prime is 1881533. The next prime is 1881559. The reversal of 1881546 is 6451881.

It is an interprime number because it is at equal distance from previous prime (1881533) and next prime (1881559).

It is a Curzon number.

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, 3061 + ... + 3623.

It is an arithmetic number, because the mean of its divisors is an integer number (236034).

2^1881546 is an apocalyptic number.

1881546 is an abundant number, since it is smaller than the sum of its proper divisors (1894998).

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

1881546 is a wasteful number, since it uses less digits than its factorization.

1881546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125.

The product of its digits is 7680, while the sum is 33.

The square root of 1881546 is about 1371.6945724176. The cubic root of 1881546 is about 123.4539377031.

The spelling of 1881546 in words is "one million, eight hundred eighty-one thousand, five hundred forty-six".