4028677 has 4 divisors (see below), whose sum is σ = 4265676. Its totient is φ = 3791680.

The previous prime is 4028663. The next prime is 4028681. The reversal of 4028677 is 7768204.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1623076 + 2405601 = 1274^2 + 1551^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4028677 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028077) 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, 118474 + ... + 118507.

It is an arithmetic number, because the mean of its divisors is an integer number (1066419).

Almost surely, 2^4028677 is an apocalyptic number.

It is an amenable number.

4028677 is a deficient number, since it is larger than the sum of its proper divisors (236999).

4028677 is a wasteful number, since it uses less digits than its factorization.

4028677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236998.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 4028677 is about 2007.1564463190. The cubic root of 4028677 is about 159.1185514071.

The spelling of 4028677 in words is "four million, twenty-eight thousand, six hundred seventy-seven".