3214428 has 48 divisors (see below), whose sum is σ = 9080064. Its totient is φ = 864000.

The previous prime is 3214427. The next prime is 3214433. The reversal of 3214428 is 8244123.

It is a junction number, because it is equal to n+sod(n) for n = 3214398 and 3214407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3214423) 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, 303 + ... + 2553.

It is an arithmetic number, because the mean of its divisors is an integer number (189168).

Almost surely, 2^3214428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3214428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4540032).

3214428 is an abundant number, since it is smaller than the sum of its proper divisors (5865636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3214428 is a wasteful number, since it uses less digits than its factorization.

3214428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282 (or 2280 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 3214428 is about 1792.8825951523. The cubic root of 3214428 is about 147.5823996170.

The spelling of 3214428 in words is "three million, two hundred fourteen thousand, four hundred twenty-eight".