4219902 has 24 divisors (see below), whose sum is σ = 9541584. Its totient is φ = 1345344.

The previous prime is 4219871. The next prime is 4219909. The reversal of 4219902 is 2099124.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4219909) 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, 4683 + ... + 5510.

It is an arithmetic number, because the mean of its divisors is an integer number (397566).

Almost surely, 2^4219902 is an apocalyptic number.

4219902 is an abundant number, since it is smaller than the sum of its proper divisors (5321682).

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

4219902 is a wasteful number, since it uses less digits than its factorization.

4219902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10224 (or 10221 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 4219902 is about 2054.2400054521. The cubic root of 4219902 is about 161.5973080214.

The spelling of 4219902 in words is "four million, two hundred nineteen thousand, nine hundred two".