2790154 has 4 divisors (see below), whose sum is σ = 4185234. Its totient is φ = 1395076.

The previous prime is 2790149. The next prime is 2790157. The reversal of 2790154 is 4510972.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2634129 + 156025 = 1623^2 + 395^2 .

It is not an unprimeable number, because it can be changed into a prime (2790157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697537 + ... + 697540.

2^2790154 is an apocalyptic number.

2790154 is a deficient number, since it is larger than the sum of its proper divisors (1395080).

2790154 is a wasteful number, since it uses less digits than its factorization.

2790154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395079.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2790154 is about 1670.3754069071. The cubic root of 2790154 is about 140.7805717963.

The spelling of 2790154 in words is "two million, seven hundred ninety thousand, one hundred fifty-four".