2738397 has 4 divisors (see below), whose sum is σ = 3651200. Its totient is φ = 1825596.

The previous prime is 2738389. The next prime is 2738423. The reversal of 2738397 is 7938372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2738397 - 2³ = 2738389 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2738317) 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, 456397 + ... + 456402.

It is an arithmetic number, because the mean of its divisors is an integer number (912800).

2^2738397 is an apocalyptic number.

It is an amenable number.

2738397 is a deficient number, since it is larger than the sum of its proper divisors (912803).

2738397 is an equidigital number, since it uses as much as digits as its factorization.

2738397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912802.

The product of its digits is 63504, while the sum is 39.

The square root of 2738397 is about 1654.8102610269. The cubic root of 2738397 is about 139.9046459534.

The spelling of 2738397 in words is "two million, seven hundred thirty-eight thousand, three hundred ninety-seven".