4891406 has 16 divisors (see below), whose sum is σ = 7938000. Its totient is φ = 2247168.

The previous prime is 4891399. The next prime is 4891429. The reversal of 4891406 is 6041984.

It is a Curzon number.

It is a congruent number.

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, 10670 + ... + 11118.

It is an arithmetic number, because the mean of its divisors is an integer number (496125).

Almost surely, 2^4891406 is an apocalyptic number.

4891406 is a deficient number, since it is larger than the sum of its proper divisors (3046594).

4891406 is a wasteful number, since it uses less digits than its factorization.

4891406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 4891406 is about 2211.6523234903. The cubic root of 4891406 is about 169.7505684580.

The spelling of 4891406 in words is "four million, eight hundred ninety-one thousand, four hundred six".