1409966 has 4 divisors (see below), whose sum is σ = 2114952. Its totient is φ = 704982.

The previous prime is 1409957. The next prime is 1409977. The reversal of 1409966 is 6699041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6699041 = 53 ⋅126397.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352490 + ... + 352493.

It is an arithmetic number, because the mean of its divisors is an integer number (528738).

2^1409966 is an apocalyptic number.

1409966 is a deficient number, since it is larger than the sum of its proper divisors (704986).

1409966 is an equidigital number, since it uses as much as digits as its factorization.

1409966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704985.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 1409966 is about 1187.4198920348. The cubic root of 1409966 is about 112.1337157197.

The spelling of 1409966 in words is "one million, four hundred nine thousand, nine hundred sixty-six".