2928435720 has 64 divisors (see below), whose sum is σ = 10040353920. Its totient is φ = 669356544.

The previous prime is 2928435649. The next prime is 2928435733. The reversal of 2928435720 is 275348292.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1742277 + ... + 1743956.

It is an arithmetic number, because the mean of its divisors is an integer number (156880530).

Almost surely, 2^2928435720 is an apocalyptic number.

2928435720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2928435720 is an abundant number, since it is smaller than the sum of its proper divisors (7111918200).

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

2928435720 is a wasteful number, since it uses less digits than its factorization.

2928435720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486254 (or 3486250 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 2928435720 is about 54115.0230527531. The cubic root of 2928435720 is about 1430.6889796144.

The spelling of 2928435720 in words is "two billion, nine hundred twenty-eight million, four hundred thirty-five thousand, seven hundred twenty".