3958228 has 6 divisors (see below), whose sum is σ = 6926906. Its totient is φ = 1979112.

The previous prime is 3958219. The next prime is 3958243. The reversal of 3958228 is 8228593.

It can be written as a sum of positive squares in only one way, i.e., 3952144 + 6084 = 1988^2 + 78^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494775 + ... + 494782.

Almost surely, 2^3958228 is an apocalyptic number.

It is an amenable number.

3958228 is a deficient number, since it is larger than the sum of its proper divisors (2968678).

3958228 is a wasteful number, since it uses less digits than its factorization.

3958228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989561 (or 989559 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 3958228 is about 1989.5295926424. The cubic root of 3958228 is about 158.1855961416.

It can be divided in two parts, 3958 and 228, that added together give a triangular number (4186 = T₉₁).

The spelling of 3958228 in words is "three million, nine hundred fifty-eight thousand, two hundred twenty-eight".