2801673 has 18 divisors (see below), whose sum is σ = 4708314. Its totient is φ = 1600704.

The previous prime is 2801641. The next prime is 2801681. The reversal of 2801673 is 3761082.

It can be written as a sum of positive squares in only one way, i.e., 2350089 + 451584 = 1533^2 + 672^2 .

It is not a de Polignac number, because 2801673 - 2⁵ = 2801641 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

2801673 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2801693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2736 + ... + 3617.

It is an arithmetic number, because the mean of its divisors is an integer number (261573).

2^2801673 is an apocalyptic number.

It is an amenable number.

2801673 is a deficient number, since it is larger than the sum of its proper divisors (1906641).

2801673 is a wasteful number, since it uses less digits than its factorization.

2801673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6373 (or 6363 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2801673 is about 1673.8198827831. The cubic root of 2801673 is about 140.9740407921.

It can be divided in two parts, 280 and 1673, that added together give a triangular number (1953 = T₆₂).

The spelling of 2801673 in words is "two million, eight hundred one thousand, six hundred seventy-three".