2639254 has 8 divisors (see below), whose sum is σ = 4051080. Its totient is φ = 1288896.

The previous prime is 2639251. The next prime is 2639291. The reversal of 2639254 is 4529362.

2639254 = T₈₂ + T₈₃ + ... + T₂₅₃.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a pancake number, because a pancake can be divided into 2639254 parts by 2297 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2639251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15259 + ... + 15430.

It is an arithmetic number, because the mean of its divisors is an integer number (506385).

2^2639254 is an apocalyptic number.

2639254 is a deficient number, since it is larger than the sum of its proper divisors (1411826).

2639254 is a wasteful number, since it uses less digits than its factorization.

2639254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30734.

The product of its digits is 12960, while the sum is 31.

The square root of 2639254 is about 1624.5780990768. The cubic root of 2639254 is about 138.1954452533.

The spelling of 2639254 in words is "two million, six hundred thirty-nine thousand, two hundred fifty-four".