2147290438 has 8 divisors (see below), whose sum is σ = 3221188920. Its totient is φ = 1073560800.

The previous prime is 2147290433. The next prime is 2147290477. The reversal of 2147290438 is 8340927412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2147290438² = 9221712450252463688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2147290438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147290433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3208 + ... + 65611.

It is an arithmetic number, because the mean of its divisors is an integer number (402648615).

Almost surely, 2^2147290438 is an apocalyptic number.

2147290438 is a deficient number, since it is larger than the sum of its proper divisors (1073898482).

2147290438 is a wasteful number, since it uses less digits than its factorization.

2147290438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84422.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 2147290438 is about 46338.8653076443. The cubic root of 2147290438 is about 1290.1204618794.

The spelling of 2147290438 in words is "two billion, one hundred forty-seven million, two hundred ninety thousand, four hundred thirty-eight".