1094640 has 40 divisors (see below), whose sum is σ = 3394128. Its totient is φ = 291840.

The previous prime is 1094633. The next prime is 1094657. The reversal of 1094640 is 464901.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1094640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2041 + ... + 2520.

2^1094640 is an apocalyptic number.

1094640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1094640 is an abundant number, since it is smaller than the sum of its proper divisors (2299488).

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

1094640 is a wasteful number, since it uses less digits than its factorization.

1094640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4577 (or 4571 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1094640 is about 1046.2504480286. The cubic root of 1094640 is about 103.0600711579.

The spelling of 1094640 in words is "one million, ninety-four thousand, six hundred forty".