4889745 has 72 divisors (see below), whose sum is σ = 10460736. Its totient is φ = 2068416.

The previous prime is 4889741. The next prime is 4889747. The reversal of 4889745 is 5479884.

4889745 = T₅₁₁ + T₅₁₂ + ... + T₅₄₅.

It is not a de Polignac number, because 4889745 - 2² = 4889741 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4889745.

It is not an unprimeable number, because it can be changed into a prime (4889741) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 113694 + ... + 113736.

It is an arithmetic number, because the mean of its divisors is an integer number (145288).

Almost surely, 2^4889745 is an apocalyptic number.

4889745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4889745 is an abundant number, since it is smaller than the sum of its proper divisors (5570991).

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

4889745 is a wasteful number, since it uses less digits than its factorization.

4889745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 77 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 4889745 is about 2211.2767805049. The cubic root of 4889745 is about 169.7313519236.

The spelling of 4889745 in words is "four million, eight hundred eighty-nine thousand, seven hundred forty-five".