4061555 has 16 divisors (see below), whose sum is σ = 5241024. Its totient is φ = 3010560.

The previous prime is 4061543. The next prime is 4061557. The reversal of 4061555 is 5551604.

It is not a de Polignac number, because 4061555 - 2¹⁰ = 4060531 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4061557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5699 + ... + 6371.

It is an arithmetic number, because the mean of its divisors is an integer number (327564).

Almost surely, 2^4061555 is an apocalyptic number.

4061555 is a deficient number, since it is larger than the sum of its proper divisors (1179469).

4061555 is a wasteful number, since it uses less digits than its factorization.

4061555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 4061555 is about 2015.3299977919. The cubic root of 4061555 is about 159.5502342729.

The spelling of 4061555 in words is "four million, sixty-one thousand, five hundred fifty-five".