3894022490 has 8 divisors (see below), whose sum is σ = 7009240500. Its totient is φ = 1557608992.

The previous prime is 3894022481. The next prime is 3894022523. The reversal of 3894022490 is 942204983.

It can be written as a sum of positive squares in 2 ways, for example, as 3735287689 + 158734801 = 61117^2 + 12599^2 .

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

It is a super-2 number, since 2×3894022490² = 30326822305251600200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194701115 + ... + 194701134.

Almost surely, 2^3894022490 is an apocalyptic number.

3894022490 is a deficient number, since it is larger than the sum of its proper divisors (3115218010).

3894022490 is a wasteful number, since it uses less digits than its factorization.

3894022490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389402256.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 3894022490 is about 62402.1032498104. The cubic root of 3894022490 is about 1573.2563203929.

The spelling of 3894022490 in words is "three billion, eight hundred ninety-four million, twenty-two thousand, four hundred ninety".