4899642 has 32 divisors (see below), whose sum is σ = 10874304. Its totient is φ = 1459200.

The previous prime is 4899641. The next prime is 4899647. The reversal of 4899642 is 2469984.

It is a d-powerful number, because it can be written as 4³ + 8⁵ + 9⁵ + 9⁷ + 6³ + 4⁷ + 2¹³ .

It is a junction number, because it is equal to n+sod(n) for n = 4899594 and 4899603.

It is not an unprimeable number, because it can be changed into a prime (4899641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3418 + ... + 4634.

It is an arithmetic number, because the mean of its divisors is an integer number (339822).

Almost surely, 2^4899642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4899642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5437152).

4899642 is an abundant number, since it is smaller than the sum of its proper divisors (5974662).

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

4899642 is a wasteful number, since it uses less digits than its factorization.

4899642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294.

The product of its digits is 124416, while the sum is 42.

The square root of 4899642 is about 2213.5134966835. The cubic root of 4899642 is about 169.8457886423.

The spelling of 4899642 in words is "four million, eight hundred ninety-nine thousand, six hundred forty-two".