1149816 has 32 divisors (see below), whose sum is σ = 3000960. Its totient is φ = 366432.

The previous prime is 1149803. The next prime is 1149817. The reversal of 1149816 is 6189411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149817) 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, 490 + ... + 1593.

It is an arithmetic number, because the mean of its divisors is an integer number (93780).

2^1149816 is an apocalyptic number.

It is an amenable number.

1149816 is an abundant number, since it is smaller than the sum of its proper divisors (1851144).

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

1149816 is a wasteful number, since it uses less digits than its factorization.

1149816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115 (or 2111 counting only the distinct ones).

The product of its digits is 1728, while the sum is 30.

The square root of 1149816 is about 1072.2947356021. The cubic root of 1149816 is about 104.7633673415.

The spelling of 1149816 in words is "one million, one hundred forty-nine thousand, eight hundred sixteen".