4428351 has 20 divisors (see below), whose sum is σ = 6905712. Its totient is φ = 2822688.

The previous prime is 4428337. The next prime is 4428353. The reversal of 4428351 is 1538244.

It is not a de Polignac number, because 4428351 - 2⁷ = 4428223 is a prime.

It is a super-2 number, since 2×4428351² = 39220585158402, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4428353) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 675 + ... + 3051.

Almost surely, 2^4428351 is an apocalyptic number.

4428351 is a deficient number, since it is larger than the sum of its proper divisors (2477361).

4428351 is a wasteful number, since it uses less digits than its factorization.

4428351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412 (or 2403 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 4428351 is about 2104.3647497523. The cubic root of 4428351 is about 164.2154490408.

The spelling of 4428351 in words is "four million, four hundred twenty-eight thousand, three hundred fifty-one".