1868769 has 12 divisors (see below), whose sum is σ = 3085056. Its totient is φ = 1067832.

The previous prime is 1868753. The next prime is 1868777. The reversal of 1868769 is 9678681.

It is a happy number.

It is not a de Polignac number, because 1868769 - 2⁴ = 1868753 is a prime.

It is a super-2 number, since 2×1868769² = 6984595150722, which contains 22 as substring.

1868769 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1868719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14769 + ... + 14894.

It is an arithmetic number, because the mean of its divisors is an integer number (257088).

2^1868769 is an apocalyptic number.

It is an amenable number.

1868769 is a deficient number, since it is larger than the sum of its proper divisors (1216287).

1868769 is a wasteful number, since it uses less digits than its factorization.

1868769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29676 (or 29673 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 1868769 is about 1367.0292608426. The cubic root of 1868769 is about 123.1738568593.

The spelling of 1868769 in words is "one million, eight hundred sixty-eight thousand, seven hundred sixty-nine".