1881496 has 16 divisors (see below), whose sum is σ = 3545640. Its totient is φ = 936000.

The previous prime is 1881493. The next prime is 1881499. The reversal of 1881496 is 6941881.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1881493) and next prime (1881499).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1881493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1540 + ... + 2476.

2^1881496 is an apocalyptic number.

It is an amenable number.

1881496 is a deficient number, since it is larger than the sum of its proper divisors (1664144).

1881496 is a wasteful number, since it uses less digits than its factorization.

1881496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194 (or 1190 counting only the distinct ones).

The product of its digits is 13824, while the sum is 37.

The square root of 1881496 is about 1371.6763466649. The cubic root of 1881496 is about 123.4528441428.

The spelling of 1881496 in words is "one million, eight hundred eighty-one thousand, four hundred ninety-six".