1408261 has 12 divisors (see below), whose sum is σ = 1536192. Its totient is φ = 1290024.

The previous prime is 1408241. The next prime is 1408279. The reversal of 1408261 is 1628041.

It is not a de Polignac number, because 1408261 - 2¹¹ = 1406213 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 (1408201) 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 11 ways as a sum of consecutive naturals, for example, 16926 + ... + 17008.

It is an arithmetic number, because the mean of its divisors is an integer number (128016).

2^1408261 is an apocalyptic number.

It is an amenable number.

1408261 is a deficient number, since it is larger than the sum of its proper divisors (127931).

1408261 is an equidigital number, since it uses as much as digits as its factorization.

1408261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1408261 is about 1186.7017316917. The cubic root of 1408261 is about 112.0884982933.

The spelling of 1408261 in words is "one million, four hundred eight thousand, two hundred sixty-one".