4156461 has 16 divisors (see below), whose sum is σ = 6192000. Its totient is φ = 2755584.

The previous prime is 4156447. The next prime is 4156507. The reversal of 4156461 is 1646514.

4156461 is a `hidden beast` number, since 4 + 15 + 646 + 1 = 666.

It is not a de Polignac number, because 4156461 - 2⁷ = 4156333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4156441) 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, 6640 + ... + 7238.

It is an arithmetic number, because the mean of its divisors is an integer number (387000).

Almost surely, 2^4156461 is an apocalyptic number.

It is an amenable number.

4156461 is a deficient number, since it is larger than the sum of its proper divisors (2035539).

4156461 is a wasteful number, since it uses less digits than its factorization.

4156461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865 (or 859 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 4156461 is about 2038.7400520910. The cubic root of 4156461 is about 160.7834105184.

The spelling of 4156461 in words is "four million, one hundred fifty-six thousand, four hundred sixty-one".