4153994 has 8 divisors (see below), whose sum is σ = 6710340. Its totient is φ = 1917216.

The previous prime is 4153991. The next prime is 4153999. The reversal of 4153994 is 4993514.

It can be written as a sum of positive squares in 2 ways, for example, as 4141225 + 12769 = 2035^2 + 113^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4153991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79859 + ... + 79910.

Almost surely, 2^4153994 is an apocalyptic number.

4153994 is a deficient number, since it is larger than the sum of its proper divisors (2556346).

4153994 is a wasteful number, since it uses less digits than its factorization.

4153994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159784.

The product of its digits is 19440, while the sum is 35.

The square root of 4153994 is about 2038.1349317452. The cubic root of 4153994 is about 160.7515940945.

The spelling of 4153994 in words is "four million, one hundred fifty-three thousand, nine hundred ninety-four".