4079157 has 4 divisors (see below), whose sum is σ = 5438880. Its totient is φ = 2719436.

The previous prime is 4079143. The next prime is 4079189. The reversal of 4079157 is 7519704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4079157 - 2⁷ = 4079029 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4079557) 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, 679857 + ... + 679862.

It is an arithmetic number, because the mean of its divisors is an integer number (1359720).

Almost surely, 2^4079157 is an apocalyptic number.

It is an amenable number.

4079157 is a deficient number, since it is larger than the sum of its proper divisors (1359723).

4079157 is a wasteful number, since it uses less digits than its factorization.

4079157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359722.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 4079157 is about 2019.6923032977. The cubic root of 4079157 is about 159.7803888104.

It can be divided in two parts, 40 and 79157, that added together give a palindrome (79197).

The spelling of 4079157 in words is "four million, seventy-nine thousand, one hundred fifty-seven".