2760638 has 4 divisors (see below), whose sum is σ = 4140960. Its totient is φ = 1380318.

The previous prime is 2760631. The next prime is 2760649. The reversal of 2760638 is 8360672.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2760638² = 15242244334088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2760631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690158 + ... + 690161.

It is an arithmetic number, because the mean of its divisors is an integer number (1035240).

2^2760638 is an apocalyptic number.

2760638 is a deficient number, since it is larger than the sum of its proper divisors (1380322).

2760638 is a wasteful number, since it uses less digits than its factorization.

2760638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380321.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 2760638 is about 1661.5167769240. The cubic root of 2760638 is about 140.2823892031.

The spelling of 2760638 in words is "two million, seven hundred sixty thousand, six hundred thirty-eight".