3958500 has 192 divisors, whose sum is σ = 14676480. Its totient is φ = 806400.

The previous prime is 3958499. The next prime is 3958523. The reversal of 3958500 is 58593.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 136486 + ... + 136514.

It is an arithmetic number, because the mean of its divisors is an integer number (76440).

Almost surely, 2^3958500 is an apocalyptic number.

3958500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3958500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7338240).

3958500 is an abundant number, since it is smaller than the sum of its proper divisors (10717980).

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

3958500 is a wasteful number, since it uses less digits than its factorization.

3958500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 3958500 is about 1989.5979493355. The cubic root of 3958500 is about 158.1892194377.

The spelling of 3958500 in words is "three million, nine hundred fifty-eight thousand, five hundred".