1004091 has 8 divisors (see below), whose sum is σ = 1460544. Its totient is φ = 608520.

The previous prime is 1004089. The next prime is 1004117. The reversal of 1004091 is 1904001.

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

It is not a de Polignac number, because 1004091 - 2¹ = 1004089 is a prime.

It is a super-3 number, since 3×1004091³ = 3036969831933376713, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1004091.

It is not an unprimeable number, because it can be changed into a prime (1002091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15181 + ... + 15246.

It is an arithmetic number, because the mean of its divisors is an integer number (182568).

2^1004091 is an apocalyptic number.

1004091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1004091 is a deficient number, since it is larger than the sum of its proper divisors (456453).

1004091 is a wasteful number, since it uses less digits than its factorization.

1004091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30441.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1004091 is about 1002.0434122332. The cubic root of 1004091 is about 100.1361811295.

Adding to 1004091 its reverse (1904001), we get a palindrome (2908092).

The spelling of 1004091 in words is "one million, four thousand, ninety-one".