1090238 has 8 divisors (see below), whose sum is σ = 1640520. Its totient is φ = 543400.

The previous prime is 1090217. The next prime is 1090241. The reversal of 1090238 is 8320901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188 + ... + 1488.

It is an arithmetic number, because the mean of its divisors is an integer number (205065).

2^1090238 is an apocalyptic number.

1090238 is a deficient number, since it is larger than the sum of its proper divisors (550282).

1090238 is a wasteful number, since it uses less digits than its factorization.

1090238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1090238 is about 1044.1446259978. The cubic root of 1090238 is about 102.9217365068.

The spelling of 1090238 in words is "one million, ninety thousand, two hundred thirty-eight".