2261670 has 16 divisors (see below), whose sum is σ = 5428080. Its totient is φ = 603104.

The previous prime is 2261653. The next prime is 2261689. The reversal of 2261670 is 761622.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2261670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37665 + ... + 37724.

It is an arithmetic number, because the mean of its divisors is an integer number (339255).

2^2261670 is an apocalyptic number.

2261670 is an abundant number, since it is smaller than the sum of its proper divisors (3166410).

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

2261670 is a wasteful number, since it uses less digits than its factorization.

2261670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75399.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2261670 is about 1503.8849690053. The cubic root of 2261670 is about 131.2632276918.

The spelling of 2261670 in words is "two million, two hundred sixty-one thousand, six hundred seventy".