1906607 has 2 divisors, whose sum is σ = 1906608. Its totient is φ = 1906606.

The previous prime is 1906603. The next prime is 1906613. The reversal of 1906607 is 7066091.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7066091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1906607 - 2² = 1906603 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1906607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1906603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 953303 + 953304.

It is an arithmetic number, because the mean of its divisors is an integer number (953304).

2^1906607 is an apocalyptic number.

1906607 is a deficient number, since it is larger than the sum of its proper divisors (1).

1906607 is an equidigital number, since it uses as much as digits as its factorization.

1906607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 1906607 is about 1380.7994061412. The cubic root of 1906607 is about 123.9996314592. Note that the first 3 decimals are identical.

The spelling of 1906607 in words is "one million, nine hundred six thousand, six hundred seven".