4912785 has 32 divisors (see below), whose sum is σ = 8828160. Its totient is φ = 2592000.

The previous prime is 4912781. The next prime is 4912807. The reversal of 4912785 is 5872194.

It is not a de Polignac number, because 4912785 - 2² = 4912781 is a prime.

4912785 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4912781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20265 + ... + 20505.

It is an arithmetic number, because the mean of its divisors is an integer number (275880).

Almost surely, 2^4912785 is an apocalyptic number.

4912785 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4912785 is a deficient number, since it is larger than the sum of its proper divisors (3915375).

4912785 is a wasteful number, since it uses less digits than its factorization.

4912785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 400 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 4912785 is about 2216.4803179816. The cubic root of 4912785 is about 169.9975201484.

The spelling of 4912785 in words is "four million, nine hundred twelve thousand, seven hundred eighty-five".