1147446 has 28 divisors (see below), whose sum is σ = 2583852. Its totient is φ = 381996.

The previous prime is 1147441. The next prime is 1147451. The reversal of 1147446 is 6447411.

It is an interprime number because it is at equal distance from previous prime (1147441) and next prime (1147451).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147441) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1065 + ... + 1851.

2^1147446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1147446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1291926).

1147446 is an abundant number, since it is smaller than the sum of its proper divisors (1436406).

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

1147446 is an frugal number, since it uses more digits than its factorization.

1147446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807 (or 792 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 1147446 is about 1071.1890589434. The cubic root of 1147446 is about 104.6913384350.

The spelling of 1147446 in words is "one million, one hundred forty-seven thousand, four hundred forty-six".