4942840 has 64 divisors (see below), whose sum is σ = 12902400. Its totient is φ = 1669248.

The previous prime is 4942811. The next prime is 4942877. The reversal of 4942840 is 482494.

4942840 = T₄₇₇ + T₄₇₈ + ... + T₅₁₆.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35491 + ... + 35629.

It is an arithmetic number, because the mean of its divisors is an integer number (201600).

Almost surely, 2^4942840 is an apocalyptic number.

4942840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

4942840 is the 1112-nd decagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4942840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6451200).

4942840 is an abundant number, since it is smaller than the sum of its proper divisors (7959560).

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

4942840 is a wasteful number, since it uses less digits than its factorization.

4942840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 4942840 is about 2223.2498734960. The cubic root of 4942840 is about 170.3434808551.

The spelling of 4942840 in words is "four million, nine hundred forty-two thousand, eight hundred forty".