1881262 has 8 divisors (see below), whose sum is σ = 2944656. Its totient is φ = 899712.

The previous prime is 1881241. The next prime is 1881263. The reversal of 1881262 is 2621881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1881262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1881263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20403 + ... + 20494.

It is an arithmetic number, because the mean of its divisors is an integer number (368082).

2^1881262 is an apocalyptic number.

1881262 is a deficient number, since it is larger than the sum of its proper divisors (1063394).

1881262 is a wasteful number, since it uses less digits than its factorization.

1881262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40922.

The product of its digits is 1536, while the sum is 28.

The square root of 1881262 is about 1371.5910469232. The cubic root of 1881262 is about 123.4477260235.

The spelling of 1881262 in words is "one million, eight hundred eighty-one thousand, two hundred sixty-two".