2975438 has 8 divisors (see below), whose sum is σ = 4698120. Its totient is φ = 1409400.

The previous prime is 2975417. The next prime is 2975443. The reversal of 2975438 is 8345792.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 78301 = 2975438 / (2 + 9 + 7 + 5 + 4 + 3 + 8).

It is a d-powerful number, because it can be written as 2²¹ + 9⁴ + 7 + 5⁷ + 4⁹ + 3¹² + 8 .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39113 + ... + 39188.

It is an arithmetic number, because the mean of its divisors is an integer number (587265).

2^2975438 is an apocalyptic number.

2975438 is a deficient number, since it is larger than the sum of its proper divisors (1722682).

2975438 is a wasteful number, since it uses less digits than its factorization.

2975438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78322.

The product of its digits is 60480, while the sum is 38.

The square root of 2975438 is about 1724.9457962498. The cubic root of 2975438 is about 143.8302719909.

It can be divided in two parts, 29754 and 38, that added together give a palindrome (29792).

The spelling of 2975438 in words is "two million, nine hundred seventy-five thousand, four hundred thirty-eight".