4027965 has 8 divisors (see below), whose sum is σ = 6444768. Its totient is φ = 2148240.

The previous prime is 4027957. The next prime is 4027993. The reversal of 4027965 is 5697204.

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

It is not a de Polignac number, because 4027965 - 2³ = 4027957 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134251 + ... + 134280.

It is an arithmetic number, because the mean of its divisors is an integer number (805596).

Almost surely, 2^4027965 is an apocalyptic number.

It is an amenable number.

4027965 is a deficient number, since it is larger than the sum of its proper divisors (2416803).

4027965 is a wasteful number, since it uses less digits than its factorization.

4027965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268539.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 4027965 is about 2006.9790731345. The cubic root of 4027965 is about 159.1091770241.

The spelling of 4027965 in words is "four million, twenty-seven thousand, nine hundred sixty-five".