3898427 has 8 divisors (see below), whose sum is σ = 4250064. Its totient is φ = 3554208.

The previous prime is 3898421. The next prime is 3898451. The reversal of 3898427 is 7248983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3898427 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 8 + 9⁵ + 8⁷ + 4² + 2¹⁷ + 7⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3898421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 728 + ... + 2885.

It is an arithmetic number, because the mean of its divisors is an integer number (531258).

Almost surely, 2^3898427 is an apocalyptic number.

3898427 is a deficient number, since it is larger than the sum of its proper divisors (351637).

3898427 is a wasteful number, since it uses less digits than its factorization.

3898427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709.

The product of its digits is 96768, while the sum is 41.

The square root of 3898427 is about 1974.4434658911. The cubic root of 3898427 is about 157.3849264428.

The spelling of 3898427 in words is "three million, eight hundred ninety-eight thousand, four hundred twenty-seven".