3628257 has 8 divisors (see below), whose sum is σ = 4968576. Its totient is φ = 2353392.

The previous prime is 3628249. The next prime is 3628267. The reversal of 3628257 is 7528263.

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

It is not a de Polignac number, because 3628257 - 2³ = 3628249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3628267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16233 + ... + 16454.

It is an arithmetic number, because the mean of its divisors is an integer number (621072).

Almost surely, 2^3628257 is an apocalyptic number.

3628257 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3628257 is a deficient number, since it is larger than the sum of its proper divisors (1340319).

3628257 is a wasteful number, since it uses less digits than its factorization.

3628257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32727.

The product of its digits is 20160, while the sum is 33.

The square root of 3628257 is about 1904.7984145310. The cubic root of 3628257 is about 153.6618345739.

The spelling of 3628257 in words is "three million, six hundred twenty-eight thousand, two hundred fifty-seven".