4005054 has 24 divisors (see below), whose sum is σ = 8767512. Its totient is φ = 1321200.

The previous prime is 4005049. The next prime is 4005091. The reversal of 4005054 is 4505004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 717 + ... + 2919.

It is an arithmetic number, because the mean of its divisors is an integer number (365313).

Almost surely, 2^4005054 is an apocalyptic number.

4005054 is an abundant number, since it is smaller than the sum of its proper divisors (4762458).

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

4005054 is a wasteful number, since it uses less digits than its factorization.

4005054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312 (or 2309 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 4005054 is about 2001.2631011439. The cubic root of 4005054 is about 158.8069331000.

It can be divided in two parts, 40050 and 54, that added together give a palindrome (40104).

The spelling of 4005054 in words is "four million, five thousand, fifty-four".