4015485 has 48 divisors (see below), whose sum is σ = 7665840. Its totient is φ = 1935360.

The previous prime is 4015483. The next prime is 4015489. The reversal of 4015485 is 5845104.

It can be written as a sum of positive squares in 8 ways, for example, as 248004 + 3767481 = 498^2 + 1941^2 .

It is not a de Polignac number, because 4015485 - 2¹ = 4015483 is a prime.

It is a super-2 number, since 2×4015485² = 32248239570450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4015483) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22095 + ... + 22275.

It is an arithmetic number, because the mean of its divisors is an integer number (159705).

Almost surely, 2^4015485 is an apocalyptic number.

4015485 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4015485 is a deficient number, since it is larger than the sum of its proper divisors (3650355).

4015485 is a wasteful number, since it uses less digits than its factorization.

4015485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 235 counting only the distinct ones).

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

The square root of 4015485 is about 2003.8675105905. The cubic root of 4015485 is about 158.9446823112.

It can be divided in two parts, 401 and 5485, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 4015485 in words is "four million, fifteen thousand, four hundred eighty-five".