1406654 has 4 divisors (see below), whose sum is σ = 2109984. Its totient is φ = 703326.

The previous prime is 1406651. The next prime is 1406677. The reversal of 1406654 is 4566041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4566041 = 43 ⋅106187.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351662 + ... + 351665.

It is an arithmetic number, because the mean of its divisors is an integer number (527496).

2^1406654 is an apocalyptic number.

1406654 is a deficient number, since it is larger than the sum of its proper divisors (703330).

1406654 is an equidigital number, since it uses as much as digits as its factorization.

1406654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703329.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1406654 is about 1186.0244516872. The cubic root of 1406654 is about 112.0458464516.

The spelling of 1406654 in words is "one million, four hundred six thousand, six hundred fifty-four".