4161958 has 4 divisors (see below), whose sum is σ = 6242940. Its totient is φ = 2080978.

The previous prime is 4161953. The next prime is 4161959. The reversal of 4161958 is 8591614.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040488 + ... + 1040491.

It is an arithmetic number, because the mean of its divisors is an integer number (1560735).

Almost surely, 2^4161958 is an apocalyptic number.

4161958 is a deficient number, since it is larger than the sum of its proper divisors (2080982).

4161958 is a wasteful number, since it uses less digits than its factorization.

4161958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080981.

The product of its digits is 8640, while the sum is 34.

The square root of 4161958 is about 2040.0877432111. The cubic root of 4161958 is about 160.8542590173.

The spelling of 4161958 in words is "four million, one hundred sixty-one thousand, nine hundred fifty-eight".