1408161 has 8 divisors (see below), whose sum is σ = 1988064. Its totient is φ = 883520.

The previous prime is 1408151. The next prime is 1408177. The reversal of 1408161 is 1618041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1408161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1408111) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 13755 + ... + 13856.

It is an arithmetic number, because the mean of its divisors is an integer number (248508).

2^1408161 is an apocalyptic number.

It is an amenable number.

1408161 is a deficient number, since it is larger than the sum of its proper divisors (579903).

1408161 is a wasteful number, since it uses less digits than its factorization.

1408161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27631.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1408161 is about 1186.6595973572. The cubic root of 1408161 is about 112.0858451120.

The spelling of 1408161 in words is "one million, four hundred eight thousand, one hundred sixty-one".