2661038 has 4 divisors (see below), whose sum is σ = 3991560. Its totient is φ = 1330518.

The previous prime is 2661013. The next prime is 2661067. The reversal of 2661038 is 8301662.

2661038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×2661038² = 14162246474888, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2660998 and 2661016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665258 + ... + 665261.

It is an arithmetic number, because the mean of its divisors is an integer number (997890).

2^2661038 is an apocalyptic number.

2661038 is a deficient number, since it is larger than the sum of its proper divisors (1330522).

2661038 is a wasteful number, since it uses less digits than its factorization.

2661038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330521.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2661038 is about 1631.2688313089. The cubic root of 2661038 is about 138.5746186553.

The spelling of 2661038 in words is "two million, six hundred sixty-one thousand, thirty-eight".