3946258237 has 2 divisors, whose sum is σ = 3946258238. Its totient is φ = 3946258236.

The previous prime is 3946258231. The next prime is 3946258249. The reversal of 3946258237 is 7328526493.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3843256036 + 103002201 = 61994^2 + 10149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3946258237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3946258231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1973129118 + 1973129119.

It is an arithmetic number, because the mean of its divisors is an integer number (1973129119).

Almost surely, 2^3946258237 is an apocalyptic number.

It is an amenable number.

3946258237 is a deficient number, since it is larger than the sum of its proper divisors (1).

3946258237 is an equidigital number, since it uses as much as digits as its factorization.

3946258237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 49.

The square root of 3946258237 is about 62819.2505287989. The cubic root of 3946258237 is about 1580.2598297519.

The spelling of 3946258237 in words is "three billion, nine hundred forty-six million, two hundred fifty-eight thousand, two hundred thirty-seven".