2664436 has 6 divisors (see below), whose sum is σ = 4662770. Its totient is φ = 1332216.

The previous prime is 2664401. The next prime is 2664439. The reversal of 2664436 is 6344662.

It can be written as a sum of positive squares in only one way, i.e., 1454436 + 1210000 = 1206^2 + 1100^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2664398 and 2664407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333051 + ... + 333058.

2^2664436 is an apocalyptic number.

It is an amenable number.

2664436 is a deficient number, since it is larger than the sum of its proper divisors (1998334).

2664436 is a wasteful number, since it uses less digits than its factorization.

2664436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666113 (or 666111 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 2664436 is about 1632.3100195735. The cubic root of 2664436 is about 138.6335776366.

The spelling of 2664436 in words is "two million, six hundred sixty-four thousand, four hundred thirty-six".