1410991 has 4 divisors (see below), whose sum is σ = 1434184. Its totient is φ = 1387800.

The previous prime is 1410979. The next prime is 1411013. The reversal of 1410991 is 1990141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1410991 - 2¹³ = 1402799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1410911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11505 + ... + 11626.

It is an arithmetic number, because the mean of its divisors is an integer number (358546).

2^1410991 is an apocalyptic number.

1410991 is a deficient number, since it is larger than the sum of its proper divisors (23193).

1410991 is an equidigital number, since it uses as much as digits as its factorization.

1410991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23192.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 1410991 is about 1187.8514216854. The cubic root of 1410991 is about 112.1608816746.

It can be divided in two parts, 1410 and 991, that added together give a 4-th power (2401 = 7⁴).

The spelling of 1410991 in words is "one million, four hundred ten thousand, nine hundred ninety-one".