3205923126 has 64 divisors (see below), whose sum is σ = 7654929408. Its totient is φ = 875179008.

The previous prime is 3205923109. The next prime is 3205923139. The reversal of 3205923126 is 6213295023.

3205923126 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3205923126² = 20555886179643223752, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1499130 + ... + 1501266.

It is an arithmetic number, because the mean of its divisors is an integer number (119608272).

Almost surely, 2^3205923126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3205923126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3827464704).

3205923126 is an abundant number, since it is smaller than the sum of its proper divisors (4449006282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3205923126 is a wasteful number, since it uses less digits than its factorization.

3205923126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3725.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 3205923126 is about 56620.8718230301. The cubic root of 3205923126 is about 1474.5212466730.

The spelling of 3205923126 in words is "three billion, two hundred five million, nine hundred twenty-three thousand, one hundred twenty-six".