3934863397 has 2 divisors, whose sum is σ = 3934863398. Its totient is φ = 3934863396.

The previous prime is 3934863319. The next prime is 3934863431. The reversal of 3934863397 is 7933684393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3258811396 + 676052001 = 57086^2 + 26001^2 .

It is a cyclic number.

It is not a de Polignac number, because 3934863397 - 2²³ = 3926474789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3934863997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1967431698 + 1967431699.

It is an arithmetic number, because the mean of its divisors is an integer number (1967431699).

Almost surely, 2^3934863397 is an apocalyptic number.

It is an amenable number.

3934863397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3934863397 is an equidigital number, since it uses as much as digits as its factorization.

3934863397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8817984, while the sum is 55.

The square root of 3934863397 is about 62728.4895163274. The cubic root of 3934863397 is about 1578.7373607636.

The spelling of 3934863397 in words is "three billion, nine hundred thirty-four million, eight hundred sixty-three thousand, three hundred ninety-seven".