1093631 has 12 divisors (see below), whose sum is σ = 1388520. Its totient is φ = 851760.

The previous prime is 1093591. The next prime is 1093633. The reversal of 1093631 is 1363901.

It is a de Polignac number, because none of the positive numbers 2^k-1093631 is a prime.

It is a super-2 number, since 2×1093631² = 2392057528322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1093597 and 1093606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1093633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 476 + ... + 1553.

It is an arithmetic number, because the mean of its divisors is an integer number (115710).

2^1093631 is an apocalyptic number.

1093631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1093631 is a deficient number, since it is larger than the sum of its proper divisors (294889).

1093631 is a wasteful number, since it uses less digits than its factorization.

1093631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054 (or 2047 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 1093631 is about 1045.7681387382. The cubic root of 1093631 is about 103.0283957277.

The spelling of 1093631 in words is "one million, ninety-three thousand, six hundred thirty-one".