4061655 has 48 divisors (see below), whose sum is σ = 7783776. Its totient is φ = 1946880.

The previous prime is 4061641. The next prime is 4061663. The reversal of 4061655 is 5561604.

It is a happy number.

4061655 is a `hidden beast` number, since 4 + 0 + 6 + 1 + 655 = 666.

It is not a de Polignac number, because 4061655 - 2⁹ = 4061143 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30940 + ... + 31070.

It is an arithmetic number, because the mean of its divisors is an integer number (162162).

Almost surely, 2^4061655 is an apocalyptic number.

4061655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4061655 is a deficient number, since it is larger than the sum of its proper divisors (3722121).

4061655 is a wasteful number, since it uses less digits than its factorization.

4061655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 4061655 is about 2015.3548074719. The cubic root of 4061655 is about 159.5515436969.

The spelling of 4061655 in words is "four million, sixty-one thousand, six hundred fifty-five".