4155620 has 24 divisors (see below), whose sum is σ = 9973824. Its totient is φ = 1424736.

The previous prime is 4155611. The next prime is 4155629. The reversal of 4155620 is 265514.

It is an interprime number because it is at equal distance from previous prime (4155611) and next prime (4155629).

It is not an unprimeable number, because it can be changed into a prime (4155629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14702 + ... + 14981.

It is an arithmetic number, because the mean of its divisors is an integer number (415576).

Almost surely, 2^4155620 is an apocalyptic number.

It is an amenable number.

4155620 is an abundant number, since it is smaller than the sum of its proper divisors (5818204).

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

4155620 is a wasteful number, since it uses less digits than its factorization.

4155620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29699 (or 29697 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 4155620 is about 2038.5337868184. The cubic root of 4155620 is about 160.7725657181.

The spelling of 4155620 in words is "four million, one hundred fifty-five thousand, six hundred twenty".