2905930 has 8 divisors (see below), whose sum is σ = 5230692. Its totient is φ = 1162368.

The previous prime is 2905921. The next prime is 2905949. The reversal of 2905930 is 395092.

2905930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2832489 + 73441 = 1683^2 + 271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145287 + ... + 145306.

2^2905930 is an apocalyptic number.

2905930 is a deficient number, since it is larger than the sum of its proper divisors (2324762).

2905930 is a wasteful number, since it uses less digits than its factorization.

2905930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290600.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 2905930 is about 1704.6788553860. The cubic root of 2905930 is about 142.7014489489.

It can be divided in two parts, 2905 and 930, that multiplied together give a triangular number (2701650 = T₂₃₂₄).

The spelling of 2905930 in words is "two million, nine hundred five thousand, nine hundred thirty".