3402407 has 2 divisors, whose sum is σ = 3402408. Its totient is φ = 3402406.

The previous prime is 3402403. The next prime is 3402437. The reversal of 3402407 is 7042043.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7042043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3402407 - 2² = 3402403 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3402403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1701203 + 1701204.

It is an arithmetic number, because the mean of its divisors is an integer number (1701204).

Almost surely, 2^3402407 is an apocalyptic number.

3402407 is a deficient number, since it is larger than the sum of its proper divisors (1).

3402407 is an equidigital number, since it uses as much as digits as its factorization.

3402407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 3402407 is about 1844.5614654980. The cubic root of 3402407 is about 150.4049354943.

The spelling of 3402407 in words is "three million, four hundred two thousand, four hundred seven".