1409091 has 8 divisors (see below), whose sum is σ = 1901760. Its totient is φ = 927912.

The previous prime is 1409069. The next prime is 1409101. The reversal of 1409091 is 1909041.

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

It is not a de Polignac number, because 1409091 - 2⁶ = 1409027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1409041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2581 + ... + 3078.

It is an arithmetic number, because the mean of its divisors is an integer number (237720).

2^1409091 is an apocalyptic number.

1409091 is a deficient number, since it is larger than the sum of its proper divisors (492669).

1409091 is an equidigital number, since it uses as much as digits as its factorization.

1409091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5745.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1409091 is about 1187.0513889466. The cubic root of 1409091 is about 112.1105148518.

The spelling of 1409091 in words is "one million, four hundred nine thousand, ninety-one".