3138450 has 96 divisors (see below), whose sum is σ = 9225600. Its totient is φ = 705600.

The previous prime is 3138449. The next prime is 3138469. The reversal of 3138450 is 548313.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3138450.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 51420 + ... + 51480.

It is an arithmetic number, because the mean of its divisors is an integer number (96100).

Almost surely, 2^3138450 is an apocalyptic number.

3138450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3138450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4612800).

3138450 is an abundant number, since it is smaller than the sum of its proper divisors (6087150).

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

3138450 is a wasteful number, since it uses less digits than its factorization.

3138450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 3138450 is about 1771.5671028781. The cubic root of 3138450 is about 146.4103362465.

The spelling of 3138450 in words is "three million, one hundred thirty-eight thousand, four hundred fifty".