2938731 has 8 divisors (see below), whose sum is σ = 3984960. Its totient is φ = 1925832.

The previous prime is 2938729. The next prime is 2938753. The reversal of 2938731 is 1378392.

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

It is not a de Polignac number, because 2938731 - 2¹ = 2938729 is a prime.

It is a super-2 number, since 2×2938731² = 17272279780722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2938692 and 2938701.

It is not an unprimeable number, because it can be changed into a prime (2938931) 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, 8125 + ... + 8478.

It is an arithmetic number, because the mean of its divisors is an integer number (498120).

2^2938731 is an apocalyptic number.

2938731 is a deficient number, since it is larger than the sum of its proper divisors (1046229).

2938731 is a wasteful number, since it uses less digits than its factorization.

2938731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16665.

The product of its digits is 9072, while the sum is 33.

The square root of 2938731 is about 1714.2727320937. The cubic root of 2938731 is about 143.2363607041.

The spelling of 2938731 in words is "two million, nine hundred thirty-eight thousand, seven hundred thirty-one".