2150004 has 12 divisors (see below), whose sum is σ = 5016704. Its totient is φ = 716664.

The previous prime is 2149993. The next prime is 2150009. The reversal of 2150004 is 4000512.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 179167 = 2150004 / (2 + 1 + 5 + 0 + 0 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89572 + ... + 89595.

2^2150004 is an apocalyptic number.

It is an amenable number.

2150004 is an abundant number, since it is smaller than the sum of its proper divisors (2866700).

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

2150004 is a wasteful number, since it uses less digits than its factorization.

2150004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179174 (or 179172 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 2150004 is about 1466.2891938496. The cubic root of 2150004 is about 129.0663681085.

Adding to 2150004 its reverse (4000512), we get a palindrome (6150516).

The spelling of 2150004 in words is "two million, one hundred fifty thousand, four".