4055390 has 16 divisors (see below), whose sum is σ = 7330608. Its totient is φ = 1615296.

The previous prime is 4055377. The next prime is 4055393. The reversal of 4055390 is 935504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4055393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2114 + ... + 3546.

It is an arithmetic number, because the mean of its divisors is an integer number (458163).

Almost surely, 2^4055390 is an apocalyptic number.

4055390 is a deficient number, since it is larger than the sum of its proper divisors (3275218).

4055390 is a wasteful number, since it uses less digits than its factorization.

4055390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 4055390 is about 2013.7998907538. The cubic root of 4055390 is about 159.4694667431.

The spelling of 4055390 in words is "four million, fifty-five thousand, three hundred ninety".