4909894 has 16 divisors (see below), whose sum is σ = 8156736. Its totient is φ = 2197800.

The previous prime is 4909871. The next prime is 4909939. The reversal of 4909894 is 4989094.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 4909894.

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, 192 + ... + 3139.

It is an arithmetic number, because the mean of its divisors is an integer number (509796).

Almost surely, 2^4909894 is an apocalyptic number.

4909894 is a deficient number, since it is larger than the sum of its proper divisors (3246842).

4909894 is a wasteful number, since it uses less digits than its factorization.

4909894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 4909894 is about 2215.8280619218. The cubic root of 4909894 is about 169.9641677651.

The spelling of 4909894 in words is "four million, nine hundred nine thousand, eight hundred ninety-four".