3685458 has 32 divisors (see below), whose sum is σ = 8607744. Its totient is φ = 1030032.

The previous prime is 3685453. The next prime is 3685463. The reversal of 3685458 is 8545863.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3685453) and next prime (3685463).

It is not an unprimeable number, because it can be changed into a prime (3685453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1041 + ... + 2907.

It is an arithmetic number, because the mean of its divisors is an integer number (268992).

Almost surely, 2^3685458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3685458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4303872).

3685458 is an abundant number, since it is smaller than the sum of its proper divisors (4922286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3685458 is a wasteful number, since it uses less digits than its factorization.

3685458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926.

The product of its digits is 115200, while the sum is 39.

The square root of 3685458 is about 1919.7546718266. The cubic root of 3685458 is about 154.4651422707.

The spelling of 3685458 in words is "three million, six hundred eighty-five thousand, four hundred fifty-eight".