2908396920 has 256 divisors, whose sum is σ = 10697702400. Its totient is φ = 622448640.

The previous prime is 2908396859. The next prime is 2908396963. The reversal of 2908396920 is 296938092.

It is a self number, because there is not a number n which added to its sum of digits gives 2908396920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 390996 + ... + 398364.

It is an arithmetic number, because the mean of its divisors is an integer number (41787900).

Almost surely, 2^2908396920 is an apocalyptic number.

2908396920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2908396920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5348851200).

2908396920 is an abundant number, since it is smaller than the sum of its proper divisors (7789305480).

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

2908396920 is a wasteful number, since it uses less digits than its factorization.

2908396920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7430 (or 7426 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 2908396920 is about 53929.5551622670. Note that the first 3 decimals coincide. The cubic root of 2908396920 is about 1427.4181852524.

The spelling of 2908396920 in words is "two billion, nine hundred eight million, three hundred ninety-six thousand, nine hundred twenty".