1149636 has 12 divisors (see below), whose sum is σ = 2682512. Its totient is φ = 383208.

The previous prime is 1149619. The next prime is 1149637. The reversal of 1149636 is 6369411.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1149637) 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, 47890 + ... + 47913.

2^1149636 is an apocalyptic number.

It is an amenable number.

1149636 is an abundant number, since it is smaller than the sum of its proper divisors (1532876).

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

1149636 is a wasteful number, since it uses less digits than its factorization.

1149636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95810 (or 95808 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 1149636 is about 1072.2108001694. The cubic root of 1149636 is about 104.7579002667.

The spelling of 1149636 in words is "one million, one hundred forty-nine thousand, six hundred thirty-six".