4749861 has 4 divisors (see below), whose sum is σ = 6333152. Its totient is φ = 3166572.

The previous prime is 4749853. The next prime is 4749883. The reversal of 4749861 is 1689474.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4749861 - 2³ = 4749853 is a prime.

It is a super-2 number, since 2×4749861² = 45122359038642, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4749761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791641 + ... + 791646.

It is an arithmetic number, because the mean of its divisors is an integer number (1583288).

Almost surely, 2^4749861 is an apocalyptic number.

It is an amenable number.

4749861 is a deficient number, since it is larger than the sum of its proper divisors (1583291).

4749861 is a wasteful number, since it uses less digits than its factorization.

4749861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583290.

The product of its digits is 48384, while the sum is 39.

The square root of 4749861 is about 2179.4175827500. The cubic root of 4749861 is about 168.0971306237.

The spelling of 4749861 in words is "four million, seven hundred forty-nine thousand, eight hundred sixty-one".