1146864 has 20 divisors (see below), whose sum is σ = 2962856. Its totient is φ = 382272.

The previous prime is 1146857. The next prime is 1146869. The reversal of 1146864 is 4686411.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11899 + ... + 11994.

2^1146864 is an apocalyptic number.

It is an amenable number.

1146864 is an abundant number, since it is smaller than the sum of its proper divisors (1815992).

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

1146864 is a wasteful number, since it uses less digits than its factorization.

1146864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23904 (or 23898 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 1146864 is about 1070.9173637588. The cubic root of 1146864 is about 104.6736351580.

The spelling of 1146864 in words is "one million, one hundred forty-six thousand, eight hundred sixty-four".