2987901 has 16 divisors (see below), whose sum is σ = 5059200. Its totient is φ = 1707264.

The previous prime is 2987863. The next prime is 2987911. The reversal of 2987901 is 1097892.

It is a happy number.

It is not a de Polignac number, because 2987901 - 2⁷ = 2987773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2987911) 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, 7716 + ... + 8093.

It is an arithmetic number, because the mean of its divisors is an integer number (316200).

2^2987901 is an apocalyptic number.

2987901 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2987901 is a deficient number, since it is larger than the sum of its proper divisors (2071299).

2987901 is a wasteful number, since it uses less digits than its factorization.

2987901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15825 (or 15819 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 2987901 is about 1728.5545985013. The cubic root of 2987901 is about 144.0308093800.

The spelling of 2987901 in words is "two million, nine hundred eighty-seven thousand, nine hundred one".