1138832 has 20 divisors (see below), whose sum is σ = 2230140. Its totient is φ = 563328.

The previous prime is 1138831. The next prime is 1138849. The reversal of 1138832 is 2388311.

It can be written as a sum of positive squares in 2 ways, for example, as 524176 + 614656 = 724^2 + 784^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1138831) 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, 1418 + ... + 2070.

It is an arithmetic number, because the mean of its divisors is an integer number (111507).

2^1138832 is an apocalyptic number.

It is an amenable number.

1138832 is a deficient number, since it is larger than the sum of its proper divisors (1091308).

1138832 is a wasteful number, since it uses less digits than its factorization.

1138832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 764 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 1138832 is about 1067.1607189173. The cubic root of 1138832 is about 104.4287037627.

The spelling of 1138832 in words is "one million, one hundred thirty-eight thousand, eight hundred thirty-two".