4028454 has 36 divisors (see below), whose sum is σ = 9093084. Its totient is φ = 1338444.

The previous prime is 4028441. The next prime is 4028471. The reversal of 4028454 is 4548204.

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

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12969 + ... + 13275.

Almost surely, 2^4028454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4028454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4546542).

4028454 is an abundant number, since it is smaller than the sum of its proper divisors (5064630).

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

4028454 is an frugal number, since it uses more digits than its factorization.

4028454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 312 counting only the distinct ones).

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

The square root of 4028454 is about 2007.1008943249. The cubic root of 4028454 is about 159.1156154481.

The spelling of 4028454 in words is "four million, twenty-eight thousand, four hundred fifty-four".