1140464 has 20 divisors (see below), whose sum is σ = 2380056. Its totient is φ = 526272.

The previous prime is 1140463. The next prime is 1140487. The reversal of 1140464 is 4640411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2534 + ... + 2949.

2^1140464 is an apocalyptic number.

It is an amenable number.

1140464 is an abundant number, since it is smaller than the sum of its proper divisors (1239592).

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

1140464 is a wasteful number, since it uses less digits than its factorization.

1140464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5504 (or 5498 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1140464 is about 1067.9250910059. The cubic root of 1140464 is about 104.4785637066.

Adding to 1140464 its reverse (4640411), we get a palindrome (5780875).

The spelling of 1140464 in words is "one million, one hundred forty thousand, four hundred sixty-four".