3894284357 has 2 divisors, whose sum is σ = 3894284358. Its totient is φ = 3894284356.

The previous prime is 3894284287. The next prime is 3894284393. The reversal of 3894284357 is 7534824983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2791114561 + 1103169796 = 52831^2 + 33214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3894284357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3894284299 and 3894284308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3894281357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1947142178 + 1947142179.

It is an arithmetic number, because the mean of its divisors is an integer number (1947142179).

Almost surely, 2^3894284357 is an apocalyptic number.

It is an amenable number.

3894284357 is a deficient number, since it is larger than the sum of its proper divisors (1).

3894284357 is an equidigital number, since it uses as much as digits as its factorization.

3894284357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 53.

The square root of 3894284357 is about 62404.2014370827. The cubic root of 3894284357 is about 1573.2915859552.

The spelling of 3894284357 in words is "three billion, eight hundred ninety-four million, two hundred eighty-four thousand, three hundred fifty-seven".