3936994007 has 2 divisors, whose sum is σ = 3936994008. Its totient is φ = 3936994006.

The previous prime is 3936994003. The next prime is 3936994037. The reversal of 3936994007 is 7004996393.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3936994007 - 2² = 3936994003 is a prime.

It is a super-2 number, since 2×3936994007² = 30999843622307832098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3936994001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1968497003 + 1968497004.

It is an arithmetic number, because the mean of its divisors is an integer number (1968497004).

Almost surely, 2^3936994007 is an apocalyptic number.

3936994007 is a deficient number, since it is larger than the sum of its proper divisors (1).

3936994007 is an equidigital number, since it uses as much as digits as its factorization.

3936994007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102248, while the sum is 50.

The square root of 3936994007 is about 62745.4700117865. The cubic root of 3936994007 is about 1579.0222555907.

The spelling of 3936994007 in words is "three billion, nine hundred thirty-six million, nine hundred ninety-four thousand, seven".