3850257 has 8 divisors (see below), whose sum is σ = 5272576. Its totient is φ = 2497392.

The previous prime is 3850247. The next prime is 3850267. The reversal of 3850257 is 7520583.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3850247) and next prime (3850267).

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

It is not a de Polignac number, because 3850257 - 2⁴ = 3850241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3850237) 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, 17233 + ... + 17454.

It is an arithmetic number, because the mean of its divisors is an integer number (659072).

Almost surely, 2^3850257 is an apocalyptic number.

3850257 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3850257 is a deficient number, since it is larger than the sum of its proper divisors (1422319).

3850257 is a wasteful number, since it uses less digits than its factorization.

3850257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34727.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 3850257 is about 1962.2071756061. The cubic root of 3850257 is about 156.7340080702.

The spelling of 3850257 in words is "three million, eight hundred fifty thousand, two hundred fifty-seven".