3898451 has 2 divisors, whose sum is σ = 3898452. Its totient is φ = 3898450.

The previous prime is 3898421. The next prime is 3898459. The reversal of 3898451 is 1548983.

It is a strong prime.

It is an emirp because it is prime and its reverse (1548983) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3898451 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3898459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1949225 + 1949226.

It is an arithmetic number, because the mean of its divisors is an integer number (1949226).

Almost surely, 2^3898451 is an apocalyptic number.

3898451 is a deficient number, since it is larger than the sum of its proper divisors (1).

3898451 is an equidigital number, since it uses as much as digits as its factorization.

3898451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 38.

The square root of 3898451 is about 1974.4495435437. The cubic root of 3898451 is about 157.3852494133.

It can be divided in two parts, 38 and 98451, that added together give a palindrome (98489).

The spelling of 3898451 in words is "three million, eight hundred ninety-eight thousand, four hundred fifty-one".