2801272 has 8 divisors (see below), whose sum is σ = 5252400. Its totient is φ = 1400632.

The previous prime is 2801257. The next prime is 2801273. The reversal of 2801272 is 2721082.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2801273) by changing a digit.

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 as a sum of consecutive naturals, namely, 175072 + ... + 175087.

It is an arithmetic number, because the mean of its divisors is an integer number (656550).

2^2801272 is an apocalyptic number.

It is an amenable number.

2801272 is a deficient number, since it is larger than the sum of its proper divisors (2451128).

2801272 is a wasteful number, since it uses less digits than its factorization.

2801272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350165 (or 350161 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 2801272 is about 1673.7000926092. The cubic root of 2801272 is about 140.9673146577.

The spelling of 2801272 in words is "two million, eight hundred one thousand, two hundred seventy-two".