2147890344 has 64 divisors (see below), whose sum is σ = 5444366400. Its totient is φ = 706074624.

The previous prime is 2147890343. The next prime is 2147890357. The reversal of 2147890344 is 4430987412.

It is a super-2 number, since 2×2147890344² = 9226865859696876672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2147890296 and 2147890305.

It is not an unprimeable number, because it can be changed into a prime (2147890343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592024 + ... + 595640.

It is an arithmetic number, because the mean of its divisors is an integer number (85068225).

Almost surely, 2^2147890344 is an apocalyptic number.

2147890344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2147890344 is an abundant number, since it is smaller than the sum of its proper divisors (3296476056).

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

2147890344 is a wasteful number, since it uses less digits than its factorization.

2147890344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962 (or 3958 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 2147890344 is about 46345.3378885083. The cubic root of 2147890344 is about 1290.2405945092.

The spelling of 2147890344 in words is "two billion, one hundred forty-seven million, eight hundred ninety thousand, three hundred forty-four".