6445412 has 6 divisors (see below), whose sum is σ = 11279478. Its totient is φ = 3222704.

The previous prime is 6445409. The next prime is 6445433. The reversal of 6445412 is 2145446.

It can be written as a sum of positive squares in only one way, i.e., 3904576 + 2540836 = 1976^2 + 1594^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805673 + ... + 805680.

It is an arithmetic number, because the mean of its divisors is an integer number (1879913).

Almost surely, 2^6445412 is an apocalyptic number.

It is an amenable number.

6445412 is a deficient number, since it is larger than the sum of its proper divisors (4834066).

6445412 is a wasteful number, since it uses less digits than its factorization.

6445412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611357 (or 1611355 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 6445412 is about 2538.7815975385. The cubic root of 6445412 is about 186.1016517622.

The spelling of 6445412 in words is "six million, four hundred forty-five thousand, four hundred twelve".