2045756 has 6 divisors (see below), whose sum is σ = 3580080. Its totient is φ = 1022876.

The previous prime is 2045753. The next prime is 2045759. The reversal of 2045756 is 6575402.

It is an interprime number because it is at equal distance from previous prime (2045753) and next prime (2045759).

It is a super-2 number, since 2×2045756² = 8370235223072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255716 + ... + 255723.

It is an arithmetic number, because the mean of its divisors is an integer number (596680).

2^2045756 is an apocalyptic number.

It is an amenable number.

2045756 is a deficient number, since it is larger than the sum of its proper divisors (1534324).

2045756 is a wasteful number, since it uses less digits than its factorization.

2045756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511443 (or 511441 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2045756 is about 1430.2992693839. The cubic root of 2045756 is about 126.9456853324.

The spelling of 2045756 in words is "two million, forty-five thousand, seven hundred fifty-six".