1146438 has 12 divisors (see below), whose sum is σ = 2483988. Its totient is φ = 382140.

The previous prime is 1146421. The next prime is 1146461. The reversal of 1146438 is 8346411.

1146438 is a `hidden beast` number, since 1 + 14 + 643 + 8 = 666.

It is a Curzon number.

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 5 ways as a sum of consecutive naturals, for example, 31828 + ... + 31863.

It is an arithmetic number, because the mean of its divisors is an integer number (206999).

2^1146438 is an apocalyptic number.

1146438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1146438 is an abundant number, since it is smaller than the sum of its proper divisors (1337550).

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

1146438 is a wasteful number, since it uses less digits than its factorization.

1146438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63699 (or 63696 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1146438 is about 1070.7184503874. The cubic root of 1146438 is about 104.6606732924.

Subtracting from 1146438 its sum of digits (27), we obtain a palindrome (1146411).

The spelling of 1146438 in words is "one million, one hundred forty-six thousand, four hundred thirty-eight".