2801487 has 16 divisors (see below), whose sum is σ = 4163040. Its totient is φ = 1663872.

The previous prime is 2801483. The next prime is 2801509. The reversal of 2801487 is 7841082.

It is not a de Polignac number, because 2801487 - 2² = 2801483 is a prime.

It is a super-2 number, since 2×2801487² = 15696658822338, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2801483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108 + ... + 2369.

It is an arithmetic number, because the mean of its divisors is an integer number (260190).

2^2801487 is an apocalyptic number.

2801487 is a deficient number, since it is larger than the sum of its proper divisors (1361553).

2801487 is a wasteful number, since it uses less digits than its factorization.

2801487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 2801487 is about 1673.7643203271. The cubic root of 2801487 is about 140.9709210191.

The spelling of 2801487 in words is "two million, eight hundred one thousand, four hundred eighty-seven".