4790640 has 40 divisors (see below), whose sum is σ = 14851728. Its totient is φ = 1277440.

The previous prime is 4790627. The next prime is 4790671. The reversal of 4790640 is 460974.

It is a tau number, because it is divible by the number of its divisors (40).

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 = 4790598 and 4790607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9741 + ... + 10220.

Almost surely, 2^4790640 is an apocalyptic number.

4790640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4790640 is an abundant number, since it is smaller than the sum of its proper divisors (10061088).

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

4790640 is a wasteful number, since it uses less digits than its factorization.

4790640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19977 (or 19971 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 4790640 is about 2188.7530696723. The cubic root of 4790640 is about 168.5768154665.

The spelling of 4790640 in words is "four million, seven hundred ninety thousand, six hundred forty".