2761381 has 8 divisors (see below), whose sum is σ = 3184704. Its totient is φ = 2345280.

The previous prime is 2761379. The next prime is 2761393. The reversal of 2761381 is 1831672.

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

It is not a de Polignac number, because 2761381 - 2¹ = 2761379 is a prime.

It is a super-2 number, since 2×2761381² = 15250450054322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2761301) 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, 955 + ... + 2536.

It is an arithmetic number, because the mean of its divisors is an integer number (398088).

2^2761381 is an apocalyptic number.

It is an amenable number.

2761381 is a deficient number, since it is larger than the sum of its proper divisors (423323).

2761381 is a wasteful number, since it uses less digits than its factorization.

2761381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611.

The product of its digits is 2016, while the sum is 28.

The square root of 2761381 is about 1661.7403527627. The cubic root of 2761381 is about 140.2949733070.

The spelling of 2761381 in words is "two million, seven hundred sixty-one thousand, three hundred eighty-one".