4923640 has 16 divisors (see below), whose sum is σ = 11078280. Its totient is φ = 1969440.

The previous prime is 4923619. The next prime is 4923671. The reversal of 4923640 is 463294.

It is a junction number, because it is equal to n+sod(n) for n = 4923599 and 4923608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61506 + ... + 61585.

Almost surely, 2^4923640 is an apocalyptic number.

4923640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4923640 is an abundant number, since it is smaller than the sum of its proper divisors (6154640).

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

4923640 is a wasteful number, since it uses less digits than its factorization.

4923640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123102 (or 123098 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 4923640 is about 2218.9276689428. The cubic root of 4923640 is about 170.1226335441.

The spelling of 4923640 in words is "four million, nine hundred twenty-three thousand, six hundred forty".