2090745 has 32 divisors (see below), whose sum is σ = 3939840. Its totient is φ = 1048320.

The previous prime is 2090719. The next prime is 2090749. The reversal of 2090745 is 5470902.

It is not a de Polignac number, because 2090745 - 2⁶ = 2090681 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2090749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1840 + ... + 2750.

It is an arithmetic number, because the mean of its divisors is an integer number (123120).

2^2090745 is an apocalyptic number.

It is an amenable number.

2090745 is a deficient number, since it is larger than the sum of its proper divisors (1849095).

2090745 is a wasteful number, since it uses less digits than its factorization.

2090745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2090745 is about 1445.9408701603. The cubic root of 2090745 is about 127.8695162809.

The spelling of 2090745 in words is "two million, ninety thousand, seven hundred forty-five".