4054428 has 96 divisors (see below), whose sum is σ = 12472320. Its totient is φ = 1114560.

The previous prime is 4054411. The next prime is 4054451. The reversal of 4054428 is 8244504.

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 an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23350 + ... + 23522.

It is an arithmetic number, because the mean of its divisors is an integer number (129920).

Almost surely, 2^4054428 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 4054428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6236160).

4054428 is an abundant number, since it is smaller than the sum of its proper divisors (8417892).

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

4054428 is a wasteful number, since it uses less digits than its factorization.

4054428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 4054428 is about 2013.5610246526. The cubic root of 4054428 is about 159.4568562207.

It can be divided in two parts, 405442 and 8, that added together give a triangular number (405450 = T₉₀₀).

The spelling of 4054428 in words is "four million, fifty-four thousand, four hundred twenty-eight".