2601940 has 24 divisors (see below), whose sum is σ = 5961312. Its totient is φ = 946080.

The previous prime is 2601931. The next prime is 2601943. The reversal of 2601940 is 491062.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2601943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5694 + ... + 6133.

It is an arithmetic number, because the mean of its divisors is an integer number (248388).

2^2601940 is an apocalyptic number.

2601940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2601940 is an abundant number, since it is smaller than the sum of its proper divisors (3359372).

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

2601940 is a wasteful number, since it uses less digits than its factorization.

2601940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11847 (or 11845 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2601940 is about 1613.0530059487. The cubic root of 2601940 is about 137.5410786355.

The spelling of 2601940 in words is "two million, six hundred one thousand, nine hundred forty".