2789398 has 4 divisors (see below), whose sum is σ = 4184100. Its totient is φ = 1394698.

The previous prime is 2789387. The next prime is 2789399. The reversal of 2789398 is 8939872.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 2¹³ + 7⁶ + 8⁵ + 9 + 3⁷ + 9⁶ + 8⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2789399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697348 + ... + 697351.

It is an arithmetic number, because the mean of its divisors is an integer number (1046025).

2^2789398 is an apocalyptic number.

2789398 is a deficient number, since it is larger than the sum of its proper divisors (1394702).

2789398 is a wasteful number, since it uses less digits than its factorization.

2789398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394701.

The product of its digits is 217728, while the sum is 46.

The square root of 2789398 is about 1670.1490951409. The cubic root of 2789398 is about 140.7678556851.

The spelling of 2789398 in words is "two million, seven hundred eighty-nine thousand, three hundred ninety-eight".