3894523 has 2 divisors, whose sum is σ = 3894524. Its totient is φ = 3894522.

The previous prime is 3894511. The next prime is 3894529. The reversal of 3894523 is 3254983.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3894523 - 2²¹ = 1797371 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (3894529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1947261 + 1947262.

It is an arithmetic number, because the mean of its divisors is an integer number (1947262).

Almost surely, 2^3894523 is an apocalyptic number.

3894523 is a deficient number, since it is larger than the sum of its proper divisors (1).

3894523 is an equidigital number, since it uses as much as digits as its factorization.

3894523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 3894523 is about 1973.4545852388. The cubic root of 3894523 is about 157.3323722570.

The spelling of 3894523 in words is "three million, eight hundred ninety-four thousand, five hundred twenty-three".