2077890 has 16 divisors (see below), whose sum is σ = 4987008. Its totient is φ = 554096.

The previous prime is 2077861. The next prime is 2077891. The reversal of 2077890 is 987702.

It is not an unprimeable number, because it can be changed into a prime (2077891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34602 + ... + 34661.

It is an arithmetic number, because the mean of its divisors is an integer number (311688).

2^2077890 is an apocalyptic number.

2077890 is an abundant number, since it is smaller than the sum of its proper divisors (2909118).

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

2077890 is a wasteful number, since it uses less digits than its factorization.

2077890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69273.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 2077890 is about 1441.4888136923. The cubic root of 2077890 is about 127.6069076425.

The spelling of 2077890 in words is "two million, seventy-seven thousand, eight hundred ninety".