2638374 has 8 divisors (see below), whose sum is σ = 5276760. Its totient is φ = 879456.

The previous prime is 2638369. The next prime is 2638381. The reversal of 2638374 is 4738362.

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

2638374 is an admirable number.

It is a super-2 number, since 2×2638374² = 13922034727752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219859 + ... + 219870.

It is an arithmetic number, because the mean of its divisors is an integer number (659595).

2^2638374 is an apocalyptic number.

2638374 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2638374 is a wasteful number, since it uses less digits than its factorization.

2638374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439734.

The product of its digits is 24192, while the sum is 33.

The square root of 2638374 is about 1624.3072369475. The cubic root of 2638374 is about 138.1800841562.

The spelling of 2638374 in words is "two million, six hundred thirty-eight thousand, three hundred seventy-four".