2397438 has 24 divisors (see below), whose sum is σ = 5387928. Its totient is φ = 798984.

The previous prime is 2397403. The next prime is 2397449. The reversal of 2397438 is 8347932.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 2¹⁷ + 3¹² + 9⁴ + 7⁶ + 4⁷ + 3¹³ + 8 .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1981 + ... + 2952.

It is an arithmetic number, because the mean of its divisors is an integer number (224497).

2^2397438 is an apocalyptic number.

2397438 is an abundant number, since it is smaller than the sum of its proper divisors (2990490).

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

2397438 is an equidigital number, since it uses as much as digits as its factorization.

2397438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4950 (or 4938 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 2397438 is about 1548.3662357466. The cubic root of 2397438 is about 133.8389317424.

It can be divided in two parts, 23 and 97438, that added together give a triangular number (97461 = T₄₄₁).

The spelling of 2397438 in words is "two million, three hundred ninety-seven thousand, four hundred thirty-eight".