4620440 has 32 divisors (see below), whose sum is σ = 11342160. Its totient is φ = 1680000.

The previous prime is 4620437. The next prime is 4620443. The reversal of 4620440 is 440264.

It is an interprime number because it is at equal distance from previous prime (4620437) and next prime (4620443).

It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4620443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4811 + ... + 5690.

Almost surely, 2^4620440 is an apocalyptic number.

4620440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4620440 is an abundant number, since it is smaller than the sum of its proper divisors (6721720).

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

4620440 is a wasteful number, since it uses less digits than its factorization.

4620440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10523 (or 10519 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4620440 is about 2149.5208768467. The cubic root of 4620440 is about 166.5563180664.

The spelling of 4620440 in words is "four million, six hundred twenty thousand, four hundred forty".