4025436 has 12 divisors (see below), whose sum is σ = 9392712. Its totient is φ = 1341808.

The previous prime is 4025431. The next prime is 4025449. The reversal of 4025436 is 6345204.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167715 + ... + 167738.

It is an arithmetic number, because the mean of its divisors is an integer number (782726).

Almost surely, 2^4025436 is an apocalyptic number.

It is an amenable number.

4025436 is an abundant number, since it is smaller than the sum of its proper divisors (5367276).

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

4025436 is a wasteful number, since it uses less digits than its factorization.

4025436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335460 (or 335458 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 4025436 is about 2006.3489227948. The cubic root of 4025436 is about 159.0758705983.

The spelling of 4025436 in words is "four million, twenty-five thousand, four hundred thirty-six".