4540620 has 96 divisors (see below), whose sum is σ = 15321600. Its totient is φ = 981504.

The previous prime is 4540619. The next prime is 4540633. The reversal of 4540620 is 260454.

4540620 = T₁₀₀₀ + T₁₀₀₁ + ... + T₁₀₀₈.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7696 + ... + 8264.

It is an arithmetic number, because the mean of its divisors is an integer number (159600).

Almost surely, 2^4540620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4540620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7660800).

4540620 is an abundant number, since it is smaller than the sum of its proper divisors (10780980).

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

4540620 is a wasteful number, since it uses less digits than its factorization.

4540620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4540620 is about 2130.8730605083. The cubic root of 4540620 is about 165.5916318206.

The spelling of 4540620 in words is "four million, five hundred forty thousand, six hundred twenty".