4907840 has 84 divisors (see below), whose sum is σ = 13638276. Its totient is φ = 1677312.

The previous prime is 4907831. The next prime is 4907857. The reversal of 4907840 is 487094.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 614656 + 4293184 = 784^2 + 2072^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 4907797 and 4907806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15524 + ... + 15836.

Almost surely, 2^4907840 is an apocalyptic number.

4907840 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 4907840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6819138).

4907840 is an abundant number, since it is smaller than the sum of its proper divisors (8730436).

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

4907840 is a wasteful number, since it uses less digits than its factorization.

4907840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 4907840 is about 2215.3645298235. The cubic root of 4907840 is about 169.9404635810.

It can be divided in two parts, 490 and 7840, that multiplied together give a square (3841600 = 1960²).

The spelling of 4907840 in words is "four million, nine hundred seven thousand, eight hundred forty".