2920863238 has 16 divisors (see below), whose sum is σ = 4577258160. Its totient is φ = 1396108000.

The previous prime is 2920863229. The next prime is 2920863259. The reversal of 2920863238 is 8323680292.

It is a junction number, because it is equal to n+sod(n) for n = 2920863194 and 2920863203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243448 + ... + 255163.

It is an arithmetic number, because the mean of its divisors is an integer number (286078635).

Almost surely, 2^2920863238 is an apocalyptic number.

2920863238 is a deficient number, since it is larger than the sum of its proper divisors (1656394922).

2920863238 is a wasteful number, since it uses less digits than its factorization.

2920863238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498743.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 2920863238 is about 54045.0112221285. The cubic root of 2920863238 is about 1429.4547349806.

The spelling of 2920863238 in words is "two billion, nine hundred twenty million, eight hundred sixty-three thousand, two hundred thirty-eight".