3845407 has 2 divisors, whose sum is σ = 3845408. Its totient is φ = 3845406.

The previous prime is 3845389. The next prime is 3845441. The reversal of 3845407 is 7045483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3845407 - 2⁷ = 3845279 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 (3845477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1922703 + 1922704.

It is an arithmetic number, because the mean of its divisors is an integer number (1922704).

Almost surely, 2^3845407 is an apocalyptic number.

3845407 is a deficient number, since it is larger than the sum of its proper divisors (1).

3845407 is an equidigital number, since it uses as much as digits as its factorization.

3845407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 3845407 is about 1960.9709329819. The cubic root of 3845407 is about 156.6681700977.

The spelling of 3845407 in words is "three million, eight hundred forty-five thousand, four hundred seven".