2601090 has 24 divisors (see below), whose sum is σ = 6763068. Its totient is φ = 693600.

The previous prime is 2601089. The next prime is 2601091. The reversal of 2601090 is 901062.

It is an interprime number because it is at equal distance from previous prime (2601089) and next prime (2601091).

It can be written as a sum of positive squares in 2 ways, for example, as 2350089 + 251001 = 1533^2 + 501^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2601091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14361 + ... + 14540.

2^2601090 is an apocalyptic number.

2601090 is an abundant number, since it is smaller than the sum of its proper divisors (4161978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2601090 is a wasteful number, since it uses less digits than its factorization.

2601090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28914 (or 28911 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2601090 is about 1612.7895088944. The cubic root of 2601090 is about 137.5260997287.

It can be divided in two parts, 26010 and 90, that multiplied together give a square (2340900 = 1530²).

The spelling of 2601090 in words is "two million, six hundred one thousand, ninety".