4992240 has 160 divisors (see below), whose sum is σ = 17713152. Its totient is φ = 1152000.

The previous prime is 4992233. The next prime is 4992241. The reversal of 4992240 is 422994.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4992198 and 4992207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4992241) 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, 81810 + ... + 81870.

Almost surely, 2^4992240 is an apocalyptic number.

4992240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4992240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8856576).

4992240 is an abundant number, since it is smaller than the sum of its proper divisors (12720912).

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

4992240 is a wasteful number, since it uses less digits than its factorization.

4992240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 4992240 is about 2234.3321149731. The cubic root of 4992240 is about 170.9090861078.

The spelling of 4992240 in words is "four million, nine hundred ninety-two thousand, two hundred forty".