4989285 has 48 divisors (see below), whose sum is σ = 10123776. Its totient is φ = 2225664.

The previous prime is 4989277. The next prime is 4989287. The reversal of 4989285 is 5829894.

It is not a de Polignac number, because 4989285 - 2³ = 4989277 is a prime.

It is a super-2 number, since 2×4989285² = 49785929622450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4989285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4989287) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14637 + ... + 14973.

It is an arithmetic number, because the mean of its divisors is an integer number (210912).

Almost surely, 2^4989285 is an apocalyptic number.

4989285 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4989285 is an abundant number, since it is smaller than the sum of its proper divisors (5134491).

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

4989285 is a wasteful number, since it uses less digits than its factorization.

4989285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 399 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 4989285 is about 2233.6707456561. The cubic root of 4989285 is about 170.8753580265.

The spelling of 4989285 in words is "four million, nine hundred eighty-nine thousand, two hundred eighty-five".