4001010 has 32 divisors (see below), whose sum is σ = 10342080. Its totient is φ = 984768.

The previous prime is 4001009. The next prime is 4001017. The reversal of 4001010 is 101004.

It is a Harshad number since it is a multiple of its sum of digits (6).

4001010 is a modest number, since divided by 1010 gives 400 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 4001010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001017) 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, 4740 + ... + 5519.

It is an arithmetic number, because the mean of its divisors is an integer number (323190).

Almost surely, 2^4001010 is an apocalyptic number.

4001010 is an abundant number, since it is smaller than the sum of its proper divisors (6341070).

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

4001010 is a wasteful number, since it uses less digits than its factorization.

4001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10282.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 4001010 is about 2000.2524840629. The cubic root of 4001010 is about 158.7534646980.

Adding to 4001010 its reverse (101004), we get a palindrome (4102014).

The spelling of 4001010 in words is "four million, one thousand, ten".