2061854 has 8 divisors (see below), whose sum is σ = 3123120. Its totient is φ = 1020816.

The previous prime is 2061847. The next prime is 2061869. The reversal of 2061854 is 4581602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

2061854 is a modest number, since divided by 1854 gives 206 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4799 + ... + 5210.

It is an arithmetic number, because the mean of its divisors is an integer number (390390).

2^2061854 is an apocalyptic number.

2061854 is a deficient number, since it is larger than the sum of its proper divisors (1061266).

2061854 is a wasteful number, since it uses less digits than its factorization.

2061854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10114.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2061854 is about 1435.9157356892. The cubic root of 2061854 is about 127.2777931502.

It can be divided in two parts, 206 and 1854, that multiplied together give a square (381924 = 618²).

The spelling of 2061854 in words is "two million, sixty-one thousand, eight hundred fifty-four".