4691840 has 32 divisors (see below), whose sum is σ = 11217960. Its totient is φ = 1876480.

The previous prime is 4691837. The next prime is 4691849. The reversal of 4691840 is 481964.

It is a tau number, because it is divible by the number of its divisors (32).

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 = 4691797 and 4691806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4691849) 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, 3026 + ... + 4305.

Almost surely, 2^4691840 is an apocalyptic number.

4691840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4691840 is an abundant number, since it is smaller than the sum of its proper divisors (6526120).

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

4691840 is an equidigital number, since it uses as much as digits as its factorization.

4691840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7350 (or 7338 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 4691840 is about 2166.0655576413. The cubic root of 4691840 is about 167.4098720594.

The spelling of 4691840 in words is "four million, six hundred ninety-one thousand, eight hundred forty".