3814428 has 48 divisors (see below), whose sum is σ = 9384480. Its totient is φ = 1204224.

The previous prime is 3814427. The next prime is 3814429. The reversal of 3814428 is 8244183.

It is an interprime number because it is at equal distance from previous prime (3814427) and next prime (3814429).

It is a junction number, because it is equal to n+sod(n) for n = 3814395 and 3814404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3814423) 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, 33700 + ... + 33812.

It is an arithmetic number, because the mean of its divisors is an integer number (195510).

Almost surely, 2^3814428 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 3814428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4692240).

3814428 is an abundant number, since it is smaller than the sum of its proper divisors (5570052).

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

3814428 is a wasteful number, since it uses less digits than its factorization.

3814428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 244 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 3814428 is about 1953.0560667835. The cubic root of 3814428 is about 156.2463235402.

The spelling of 3814428 in words is "three million, eight hundred fourteen thousand, four hundred twenty-eight".