2045412 has 60 divisors (see below), whose sum is σ = 5488560. Its totient is φ = 663984.

The previous prime is 2045377. The next prime is 2045437. The reversal of 2045412 is 2145402.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam 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, 19063 + ... + 19169.

It is an arithmetic number, because the mean of its divisors is an integer number (91476).

2^2045412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2045412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2744280).

2045412 is an abundant number, since it is smaller than the sum of its proper divisors (3443148).

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

2045412 is a wasteful number, since it uses less digits than its factorization.

2045412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2045412 is about 1430.1790097747. The cubic root of 2045412 is about 126.9385695011.

The spelling of 2045412 in words is "two million, forty-five thousand, four hundred twelve".