2798172390 has 32 divisors (see below), whose sum is σ = 7232200416. Its totient is φ = 688780800.

The previous prime is 2798172373. The next prime is 2798172431. The reversal of 2798172390 is 932718972.

2798172390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 3587011 + ... + 3587790.

It is an arithmetic number, because the mean of its divisors is an integer number (226006263).

Almost surely, 2^2798172390 is an apocalyptic number.

2798172390 is an abundant number, since it is smaller than the sum of its proper divisors (4434028026).

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

2798172390 is a wasteful number, since it uses less digits than its factorization.

2798172390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7174824.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 2798172390 is about 52897.7541111152. The cubic root of 2798172390 is about 1409.1530198195.

The spelling of 2798172390 in words is "two billion, seven hundred ninety-eight million, one hundred seventy-two thousand, three hundred ninety".