4028955 has 16 divisors (see below), whose sum is σ = 7367424. Its totient is φ = 1841760.

The previous prime is 4028953. The next prime is 4028963. The reversal of 4028955 is 5598204.

It is not a de Polignac number, because 4028955 - 2¹ = 4028953 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4028953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19081 + ... + 19290.

It is an arithmetic number, because the mean of its divisors is an integer number (460464).

Almost surely, 2^4028955 is an apocalyptic number.

4028955 is a deficient number, since it is larger than the sum of its proper divisors (3338469).

4028955 is a wasteful number, since it uses less digits than its factorization.

4028955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38386.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 4028955 is about 2007.2256973245. The cubic root of 4028955 is about 159.1222113298.

The spelling of 4028955 in words is "four million, twenty-eight thousand, nine hundred fifty-five".