1138347 has 32 divisors (see below), whose sum is σ = 2035200. Its totient is φ = 614304.

The previous prime is 1138273. The next prime is 1138363. The reversal of 1138347 is 7438311.

It is not a de Polignac number, because 1138347 - 2⁸ = 1138091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1138347.

It is not an unprimeable number, because it can be changed into a prime (1138367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3433 + ... + 3749.

It is an arithmetic number, because the mean of its divisors is an integer number (63600).

2^1138347 is an apocalyptic number.

1138347 is a deficient number, since it is larger than the sum of its proper divisors (896853).

1138347 is a wasteful number, since it uses less digits than its factorization.

1138347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 346 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1138347 is about 1066.9334562193. The cubic root of 1138347 is about 104.4138771354.

It can be divided in two parts, 1138 and 347, that added together give a triangular number (1485 = T₅₄).

The spelling of 1138347 in words is "one million, one hundred thirty-eight thousand, three hundred forty-seven".