2930505 has 16 divisors (see below), whose sum is σ = 4750080. Its totient is φ = 1542528.

The previous prime is 2930491. The next prime is 2930507. The reversal of 2930505 is 5050392.

It is not a de Polignac number, because 2930505 - 2⁴ = 2930489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2930507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52 + ... + 2421.

It is an arithmetic number, because the mean of its divisors is an integer number (296880).

2^2930505 is an apocalyptic number.

It is an amenable number.

2930505 is a deficient number, since it is larger than the sum of its proper divisors (1819575).

2930505 is a wasteful number, since it uses less digits than its factorization.

2930505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 2930505 is about 1711.8717825819. The cubic root of 2930505 is about 143.1025882924.

Adding to 2930505 its reverse (5050392), we get a palindrome (7980897).

The spelling of 2930505 in words is "two million, nine hundred thirty thousand, five hundred five".