1139446 has 32 divisors (see below), whose sum is σ = 2188800. Its totient is φ = 441000.

The previous prime is 1139423. The next prime is 1139461. The reversal of 1139446 is 6449311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7471 + ... + 7621.

It is an arithmetic number, because the mean of its divisors is an integer number (68400).

2^1139446 is an apocalyptic number.

1139446 is a deficient number, since it is larger than the sum of its proper divisors (1049354).

1139446 is a wasteful number, since it uses less digits than its factorization.

1139446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 171 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 1139446 is about 1067.4483594067. The cubic root of 1139446 is about 104.4474679305.

It can be divided in two parts, 113 and 9446, that added together give a palindrome (9559).

The spelling of 1139446 in words is "one million, one hundred thirty-nine thousand, four hundred forty-six".