3691007 has 2 divisors, whose sum is σ = 3691008. Its totient is φ = 3691006.

The previous prime is 3691003. The next prime is 3691013. The reversal of 3691007 is 7001963.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3691007 - 2² = 3691003 is a prime.

It is equal to p₂₆₂₇₉₀ and since 3691007 and 262790 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3691003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1845503 + 1845504.

It is an arithmetic number, because the mean of its divisors is an integer number (1845504).

Almost surely, 2^3691007 is an apocalyptic number.

3691007 is a deficient number, since it is larger than the sum of its proper divisors (1).

3691007 is an equidigital number, since it uses as much as digits as its factorization.

3691007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 3691007 is about 1921.1993649801. The cubic root of 3691007 is about 154.5426267387.

The spelling of 3691007 in words is "three million, six hundred ninety-one thousand, seven".