2699398 has 16 divisors (see below), whose sum is σ = 4455360. Its totient is φ = 1219368.

The previous prime is 2699393. The next prime is 2699419. The reversal of 2699398 is 8939962.

It is a happy number.

It is a d-powerful number, because it can be written as 2¹³ + 6⁴ + 9² + 9⁵ + 3⁷ + 9⁶ + 8⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2699393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57411 + ... + 57457.

It is an arithmetic number, because the mean of its divisors is an integer number (278460).

2^2699398 is an apocalyptic number.

2699398 is a deficient number, since it is larger than the sum of its proper divisors (1755962).

2699398 is an frugal number, since it uses more digits than its factorization.

2699398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 62 counting only the distinct ones).

The product of its digits is 209952, while the sum is 46.

The square root of 2699398 is about 1642.9844795372. The cubic root of 2699398 is about 139.2373152151.

It can be divided in two parts, 269939 and 8, that multiplied together give a palindrome (2159512).

The spelling of 2699398 in words is "two million, six hundred ninety-nine thousand, three hundred ninety-eight".