2154486 has 16 divisors (see below), whose sum is σ = 4536000. Its totient is φ = 680328.

The previous prime is 2154419. The next prime is 2154487. The reversal of 2154486 is 6844512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9336 + ... + 9563.

It is an arithmetic number, because the mean of its divisors is an integer number (283500).

2^2154486 is an apocalyptic number.

2154486 is an abundant number, since it is smaller than the sum of its proper divisors (2381514).

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

2154486 is a wasteful number, since it uses less digits than its factorization.

2154486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18923.

The product of its digits is 7680, while the sum is 30.

The square root of 2154486 is about 1467.8167460552. The cubic root of 2154486 is about 129.1559918106.

Adding to 2154486 its reverse (6844512), we get a palindrome (8998998).

The spelling of 2154486 in words is "two million, one hundred fifty-four thousand, four hundred eighty-six".