2861090 has 16 divisors (see below), whose sum is σ = 5177088. Its totient is φ = 1138416.

The previous prime is 2861081. The next prime is 2861107. The reversal of 2861090 is 901682.

It is a Curzon 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, 1589 + ... + 2871.

It is an arithmetic number, because the mean of its divisors is an integer number (323568).

2^2861090 is an apocalyptic number.

2861090 is a deficient number, since it is larger than the sum of its proper divisors (2315998).

2861090 is a wasteful number, since it uses less digits than its factorization.

2861090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 2861090 is about 1691.4756870851. The cubic root of 2861090 is about 141.9636553152.

The spelling of 2861090 in words is "two million, eight hundred sixty-one thousand, ninety".