2616428 has 6 divisors (see below), whose sum is σ = 4578756. Its totient is φ = 1308212.

The previous prime is 2616407. The next prime is 2616437. The reversal of 2616428 is 8246162.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2616428.

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 as a sum of consecutive naturals, namely, 327050 + ... + 327057.

It is an arithmetic number, because the mean of its divisors is an integer number (763126).

2^2616428 is an apocalyptic number.

It is an amenable number.

2616428 is a deficient number, since it is larger than the sum of its proper divisors (1962328).

2616428 is a wasteful number, since it uses less digits than its factorization.

2616428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654111 (or 654109 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 2616428 is about 1617.5376348017. The cubic root of 2616428 is about 137.7958895333.

The spelling of 2616428 in words is "two million, six hundred sixteen thousand, four hundred twenty-eight".