2154046 has 4 divisors (see below), whose sum is σ = 3231072. Its totient is φ = 1077022.

The previous prime is 2154043. The next prime is 2154059. The reversal of 2154046 is 6404512.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2¹⁷ + 1 + 5⁹ + 4⁶ + 0 + 4⁸ + 6³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538510 + ... + 538513.

It is an arithmetic number, because the mean of its divisors is an integer number (807768).

2^2154046 is an apocalyptic number.

2154046 is a deficient number, since it is larger than the sum of its proper divisors (1077026).

2154046 is a wasteful number, since it uses less digits than its factorization.

2154046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077025.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2154046 is about 1467.6668559315. Note that the first 3 decimals coincide. The cubic root of 2154046 is about 129.1471989159.

Adding to 2154046 its reverse (6404512), we get a palindrome (8558558).

The spelling of 2154046 in words is "two million, one hundred fifty-four thousand, forty-six".