2616004 has 6 divisors (see below), whose sum is σ = 4578014. Its totient is φ = 1308000.

The previous prime is 2615999. The next prime is 2616007. The reversal of 2616004 is 4006162.

It can be written as a sum of positive squares in only one way, i.e., 2256004 + 360000 = 1502^2 + 600^2 .

It is not an unprimeable number, because it can be changed into a prime (2616007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326997 + ... + 327004.

2^2616004 is an apocalyptic number.

It is an amenable number.

2616004 is a deficient number, since it is larger than the sum of its proper divisors (1962010).

2616004 is a wasteful number, since it uses less digits than its factorization.

2616004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654005 (or 654003 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2616004 is about 1617.4065660804. The cubic root of 2616004 is about 137.7884457189.

The spelling of 2616004 in words is "two million, six hundred sixteen thousand, four".