1090546 has 8 divisors (see below), whose sum is σ = 1642284. Its totient is φ = 543120.

The previous prime is 1090519. The next prime is 1090553. The reversal of 1090546 is 6450901.

It can be written as a sum of positive squares in 2 ways, for example, as 1079521 + 11025 = 1039^2 + 105^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1090546.

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, 345 + ... + 1516.

2^1090546 is an apocalyptic number.

1090546 is a deficient number, since it is larger than the sum of its proper divisors (551738).

1090546 is a wasteful number, since it uses less digits than its factorization.

1090546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1090546 is about 1044.2921047293. The cubic root of 1090546 is about 102.9314276354.

The spelling of 1090546 in words is "one million, ninety thousand, five hundred forty-six".