2061490 has 16 divisors (see below), whose sum is σ = 3872448. Its totient is φ = 788656.

The previous prime is 2061431. The next prime is 2061491. The reversal of 2061490 is 941602.

2061490 = T₄₄₄ + T₄₄₅ + ... + T₄₆₃.

It is not an unprimeable number, because it can be changed into a prime (2061491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4252 + ... + 4711.

It is an arithmetic number, because the mean of its divisors is an integer number (242028).

2^2061490 is an apocalyptic number.

2061490 is a deficient number, since it is larger than the sum of its proper divisors (1810958).

2061490 is a wasteful number, since it uses less digits than its factorization.

2061490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8993.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2061490 is about 1435.7889817101. The cubic root of 2061490 is about 127.2703028295.

The spelling of 2061490 in words is "two million, sixty-one thousand, four hundred ninety".