4992420 has 24 divisors (see below), whose sum is σ = 13978944. Its totient is φ = 1331296.

The previous prime is 4992419. The next prime is 4992439. The reversal of 4992420 is 242994.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 41544 + ... + 41663.

It is an arithmetic number, because the mean of its divisors is an integer number (582456).

Almost surely, 2^4992420 is an apocalyptic number.

It is an amenable number.

4992420 is an abundant number, since it is smaller than the sum of its proper divisors (8986524).

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

4992420 is a wasteful number, since it uses less digits than its factorization.

4992420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83219 (or 83217 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 4992420 is about 2234.3723951034. The cubic root of 4992420 is about 170.9111401801.

The spelling of 4992420 in words is "four million, nine hundred ninety-two thousand, four hundred twenty".