1094284638 has 48 divisors (see below), whose sum is σ = 2396459520. Its totient is φ = 360860112.

The previous prime is 1094284627. The next prime is 1094284729. The reversal of 1094284638 is 8364824901.

It is a happy number.

1094284638 is a `hidden beast` number, since 1 + 0 + 9 + 4 + 2 + 8 + 4 + 638 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1094284593 and 1094284602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 717745 + ... + 719267.

It is an arithmetic number, because the mean of its divisors is an integer number (49926240).

Almost surely, 2^1094284638 is an apocalyptic number.

1094284638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1094284638 is an abundant number, since it is smaller than the sum of its proper divisors (1302174882).

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

1094284638 is a wasteful number, since it uses less digits than its factorization.

1094284638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933 (or 1930 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 1094284638 is about 33079.9733675830. The cubic root of 1094284638 is about 1030.4891753759.

The spelling of 1094284638 in words is "one billion, ninety-four million, two hundred eighty-four thousand, six hundred thirty-eight".