4158494 has 4 divisors (see below), whose sum is σ = 6237744. Its totient is φ = 2079246.

The previous prime is 4158491. The next prime is 4158499. The reversal of 4158494 is 4948514.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4158491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1039622 + ... + 1039625.

It is an arithmetic number, because the mean of its divisors is an integer number (1559436).

Almost surely, 2^4158494 is an apocalyptic number.

4158494 is a deficient number, since it is larger than the sum of its proper divisors (2079250).

4158494 is a wasteful number, since it uses less digits than its factorization.

4158494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079249.

The product of its digits is 23040, while the sum is 35.

The square root of 4158494 is about 2039.2385833933. The cubic root of 4158494 is about 160.8096202672.

The spelling of 4158494 in words is "four million, one hundred fifty-eight thousand, four hundred ninety-four".