1042636 has 24 divisors (see below), whose sum is σ = 2177280. Its totient is φ = 427152.

The previous prime is 1042633. The next prime is 1042681. The reversal of 1042636 is 6362401.

It is not an unprimeable number, because it can be changed into a prime (1042631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166 + ... + 1453.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2^1042636 is an apocalyptic number.

It is an amenable number.

1042636 is an abundant number, since it is smaller than the sum of its proper divisors (1134644).

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

1042636 is a wasteful number, since it uses less digits than its factorization.

1042636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653 (or 1651 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1042636 is about 1021.0954901477. The cubic root of 1042636 is about 101.4014671439.

The spelling of 1042636 in words is "one million, forty-two thousand, six hundred thirty-six".