2538994 has 4 divisors (see below), whose sum is σ = 3808494. Its totient is φ = 1269496.

The previous prime is 2538983. The next prime is 2539049. The reversal of 2538994 is 4998352.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2030625 + 508369 = 1425^2 + 713^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁹ + 3⁷ + 8 + 9² + 9⁵ + 4⁴ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634747 + ... + 634750.

2^2538994 is an apocalyptic number.

2538994 is a deficient number, since it is larger than the sum of its proper divisors (1269500).

2538994 is a wasteful number, since it uses less digits than its factorization.

2538994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269499.

The product of its digits is 77760, while the sum is 40.

The square root of 2538994 is about 1593.4221035244. The cubic root of 2538994 is about 136.4228835341.

The spelling of 2538994 in words is "two million, five hundred thirty-eight thousand, nine hundred ninety-four".