4025838 has 32 divisors (see below), whose sum is σ = 8825760. Its totient is φ = 1218560.

The previous prime is 4025837. The next prime is 4025839. The reversal of 4025838 is 8385204.

It is an interprime number because it is at equal distance from previous prime (4025837) and next prime (4025839).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025837) 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, 2278 + ... + 3638.

It is an arithmetic number, because the mean of its divisors is an integer number (275805).

Almost surely, 2^4025838 is an apocalyptic number.

4025838 is an abundant number, since it is smaller than the sum of its proper divisors (4799922).

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

4025838 is a wasteful number, since it uses less digits than its factorization.

4025838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 4025838 is about 2006.4491022700. The cubic root of 4025838 is about 159.0811657904.

It can be divided in two parts, 40 and 25838, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 4025838 in words is "four million, twenty-five thousand, eight hundred thirty-eight".