3400207 has 2 divisors, whose sum is σ = 3400208. Its totient is φ = 3400206.

The previous prime is 3400193. The next prime is 3400211. The reversal of 3400207 is 7020043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3400207 - 2¹¹ = 3398159 is a prime.

It is a super-2 number, since 2×3400207² = 23122815285698, which contains 22 as substring.

3400207 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3400217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700103 + 1700104.

It is an arithmetic number, because the mean of its divisors is an integer number (1700104).

Almost surely, 2^3400207 is an apocalyptic number.

3400207 is a deficient number, since it is larger than the sum of its proper divisors (1).

3400207 is an equidigital number, since it uses as much as digits as its factorization.

3400207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 3400207 is about 1843.9650213602. The cubic root of 3400207 is about 150.3725111741.

The spelling of 3400207 in words is "three million, four hundred thousand, two hundred seven".