2061654 has 32 divisors (see below), whose sum is σ = 4755456. Its totient is φ = 583680.

The previous prime is 2061649. The next prime is 2061667. The reversal of 2061654 is 4561602.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7894 + ... + 8150.

It is an arithmetic number, because the mean of its divisors is an integer number (148608).

2^2061654 is an apocalyptic number.

2061654 is an abundant number, since it is smaller than the sum of its proper divisors (2693802).

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

2061654 is a wasteful number, since it uses less digits than its factorization.

2061654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2061654 is about 1435.8460920308. The cubic root of 2061654 is about 127.2736776985.

The spelling of 2061654 in words is "two million, sixty-one thousand, six hundred fifty-four".