1423866 has 16 divisors (see below), whose sum is σ = 2860704. Its totient is φ = 472464.

The previous prime is 1423853. The next prime is 1423897. The reversal of 1423866 is 6683241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1456 + ... + 2228.

It is an arithmetic number, because the mean of its divisors is an integer number (178794).

2^1423866 is an apocalyptic number.

1423866 is an abundant number, since it is smaller than the sum of its proper divisors (1436838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423866 is a wasteful number, since it uses less digits than its factorization.

1423866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085.

The product of its digits is 6912, while the sum is 30.

The square root of 1423866 is about 1193.2585637656. The cubic root of 1423866 is about 112.5009975220.

The spelling of 1423866 in words is "one million, four hundred twenty-three thousand, eight hundred sixty-six".