4010985 has 64 divisors (see below), whose sum is σ = 8098560. Its totient is φ = 1866240.

The previous prime is 4010977. The next prime is 4011011. The reversal of 4010985 is 5890104.

It is not a de Polignac number, because 4010985 - 2³ = 4010977 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54909 + ... + 54981.

It is an arithmetic number, because the mean of its divisors is an integer number (126540).

Almost surely, 2^4010985 is an apocalyptic number.

4010985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4010985 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

4010985 is a wasteful number, since it uses less digits than its factorization.

4010985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 4010985 is about 2002.7443671123. The cubic root of 4010985 is about 158.8852857151.

It can be divided in two parts, 40 and 10985, that added together give a square (11025 = 105²).

The spelling of 4010985 in words is "four million, ten thousand, nine hundred eighty-five".