3001405 has 20 divisors (see below), whose sum is σ = 4058460. Its totient is φ = 2129600.

The previous prime is 3001387. The next prime is 3001421. The reversal of 3001405 is 5041003.

It can be written as a sum of positive squares in 2 ways, for example, as 527076 + 2474329 = 726^2 + 1573^2 .

It is not a de Polignac number, because 3001405 - 2¹¹ = 2999357 is a prime.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 73185 + ... + 73225.

It is an arithmetic number, because the mean of its divisors is an integer number (202923).

Almost surely, 2^3001405 is an apocalyptic number.

It is an amenable number.

3001405 is a deficient number, since it is larger than the sum of its proper divisors (1057055).

3001405 is an frugal number, since it uses more digits than its factorization.

3001405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 3001405 is about 1732.4563486564. The cubic root of 3001405 is about 144.2474686351.

Adding to 3001405 its reverse (5041003), we get a palindrome (8042408).

The spelling of 3001405 in words is "three million, one thousand, four hundred five".