1842788 has 6 divisors (see below), whose sum is σ = 3224886. Its totient is φ = 921392.

The previous prime is 1842781. The next prime is 1842793. The reversal of 1842788 is 8872481.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1827904 + 14884 = 1352^2 + 122^2 .

It is a super-2 number, since 2×1842788² = 6791735225888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1842781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230345 + ... + 230352.

It is an arithmetic number, because the mean of its divisors is an integer number (537481).

2^1842788 is an apocalyptic number.

It is an amenable number.

1842788 is a deficient number, since it is larger than the sum of its proper divisors (1382098).

1842788 is a wasteful number, since it uses less digits than its factorization.

1842788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460701 (or 460699 counting only the distinct ones).

The product of its digits is 28672, while the sum is 38.

The square root of 1842788 is about 1357.4932780681. The cubic root of 1842788 is about 122.6003731004.

The spelling of 1842788 in words is "one million, eight hundred forty-two thousand, seven hundred eighty-eight".