2620000 has 60 divisors (see below), whose sum is σ = 6494796. Its totient is φ = 1040000.

The previous prime is 2619997. The next prime is 2620003. The reversal of 2620000 is 262.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2619997) and next prime (2620003).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19935 + ... + 20065.

2^2620000 is an apocalyptic number.

2620000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2620000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3247398).

2620000 is an abundant number, since it is smaller than the sum of its proper divisors (3874796).

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

2620000 is an equidigital number, since it uses as much as digits as its factorization.

2620000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2620000 is about 1618.6414056239. The cubic root of 2620000 is about 137.8585682562.

Adding to 2620000 its reverse (262), we get a palindrome (2620262).

Multiplying 2620000 by its reverse (262), we get a square (686440000 = 26200²).

2620000 divided by its reverse (262) gives a 4-th power (10000 = 10⁴).

The spelling of 2620000 in words is "two million, six hundred twenty thousand".