4156894 has 8 divisors (see below), whose sum is σ = 7126128. Its totient is φ = 1781520.

The previous prime is 4156871. The next prime is 4156903. The reversal of 4156894 is 4986514.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 148447 + ... + 148474.

It is an arithmetic number, because the mean of its divisors is an integer number (890766).

Almost surely, 2^4156894 is an apocalyptic number.

4156894 is a deficient number, since it is larger than the sum of its proper divisors (2969234).

4156894 is a wasteful number, since it uses less digits than its factorization.

4156894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296930.

The product of its digits is 34560, while the sum is 37.

The square root of 4156894 is about 2038.8462423636. The cubic root of 4156894 is about 160.7889935372.

It can be divided in two parts, 4156 and 894, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 4156894 in words is "four million, one hundred fifty-six thousand, eight hundred ninety-four".