4085451 has 16 divisors (see below), whose sum is σ = 6084000. Its totient is φ = 2709504.

The previous prime is 4085447. The next prime is 4085453. The reversal of 4085451 is 1545804.

It is not a de Polignac number, because 4085451 - 2² = 4085447 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (4085453) 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, 8875 + ... + 9323.

It is an arithmetic number, because the mean of its divisors is an integer number (380250).

Almost surely, 2^4085451 is an apocalyptic number.

4085451 is the 1011-st decagonal number.

4085451 is a deficient number, since it is larger than the sum of its proper divisors (1998549).

4085451 is a wasteful number, since it uses less digits than its factorization.

4085451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 4085451 is about 2021.2498608534. The cubic root of 4085451 is about 159.8625251421.

It can be divided in two parts, 40 and 85451, that added together give a triangular number (85491 = T₄₁₃).

The spelling of 4085451 in words is "four million, eighty-five thousand, four hundred fifty-one".