2754978 has 16 divisors (see below), whose sum is σ = 5529216. Its totient is φ = 915120.

The previous prime is 2754949. The next prime is 2754991. The reversal of 2754978 is 8794572.

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, 1623 + ... + 2853.

It is an arithmetic number, because the mean of its divisors is an integer number (345576).

2^2754978 is an apocalyptic number.

2754978 is an abundant number, since it is smaller than the sum of its proper divisors (2774238).

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

2754978 is a wasteful number, since it uses less digits than its factorization.

2754978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609.

The product of its digits is 141120, while the sum is 42.

The square root of 2754978 is about 1659.8126400290. The cubic root of 2754978 is about 140.1864522526.

It can be divided in two parts, 275 and 4978, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 2754978 in words is "two million, seven hundred fifty-four thousand, nine hundred seventy-eight".