1408561 has 12 divisors (see below), whose sum is σ = 1770496. Its totient is φ = 1096920.

The previous prime is 1408529. The next prime is 1408567. The reversal of 1408561 is 1658041.

It is not a de Polignac number, because 1408561 - 2⁵ = 1408529 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1408567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16 + ... + 1678.

2^1408561 is an apocalyptic number.

1408561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1408561 is a deficient number, since it is larger than the sum of its proper divisors (361935).

1408561 is a wasteful number, since it uses less digits than its factorization.

1408561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692 (or 1681 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1408561 is about 1186.8281257200. The cubic root of 1408561 is about 112.0964570836.

The spelling of 1408561 in words is "one million, four hundred eight thousand, five hundred sixty-one".