2801338 has 4 divisors (see below), whose sum is σ = 4202010. Its totient is φ = 1400668.

The previous prime is 2801317. The next prime is 2801339. The reversal of 2801338 is 8331082.

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., 2140369 + 660969 = 1463^2 + 813^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2801339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700333 + ... + 700336.

2^2801338 is an apocalyptic number.

2801338 is a deficient number, since it is larger than the sum of its proper divisors (1400672).

2801338 is a wasteful number, since it uses less digits than its factorization.

2801338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400671.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2801338 is about 1673.7198092871. The cubic root of 2801338 is about 140.9684217464.

The spelling of 2801338 in words is "two million, eight hundred one thousand, three hundred thirty-eight".