2938881 has 8 divisors (see below), whose sum is σ = 4274784. Its totient is φ = 1781120.

The previous prime is 2938861. The next prime is 2938927. The reversal of 2938881 is 1888392.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2938881 - 2⁷ = 2938753 is a prime.

It is a super-2 number, since 2×2938881² = 17274043064322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2938801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44496 + ... + 44561.

It is an arithmetic number, because the mean of its divisors is an integer number (534348).

It is a Proth number, since it is equal to 1435 ⋅ 2¹¹ + 1 and 1435 < 2¹¹.

2^2938881 is an apocalyptic number.

It is an amenable number.

2938881 is a deficient number, since it is larger than the sum of its proper divisors (1335903).

2938881 is a wasteful number, since it uses less digits than its factorization.

2938881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89071.

The product of its digits is 27648, while the sum is 39.

The square root of 2938881 is about 1714.3164818668. The cubic root of 2938881 is about 143.2387977071.

The spelling of 2938881 in words is "two million, nine hundred thirty-eight thousand, eight hundred eighty-one".