2054390 has 16 divisors (see below), whose sum is σ = 3982608. Its totient is φ = 758496.

The previous prime is 2054369. The next prime is 2054443. The reversal of 2054390 is 934502.

It is a congruent 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, 7772 + ... + 8031.

It is an arithmetic number, because the mean of its divisors is an integer number (248913).

2^2054390 is an apocalyptic number.

2054390 is a deficient number, since it is larger than the sum of its proper divisors (1928218).

2054390 is a wasteful number, since it uses less digits than its factorization.

2054390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15823.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2054390 is about 1433.3143409594. The cubic root of 2054390 is about 127.1240237583.

Adding to 2054390 its reverse (934502), we get a palindrome (2988892).

The spelling of 2054390 in words is "two million, fifty-four thousand, three hundred ninety".