1398949226 has 8 divisors (see below), whose sum is σ = 2098683840. Its totient is φ = 699387948.

The previous prime is 1398949127. The next prime is 1398949249. The reversal of 1398949226 is 6229498931.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20816 + ... + 56843.

It is an arithmetic number, because the mean of its divisors is an integer number (262335480).

Almost surely, 2^1398949226 is an apocalyptic number.

1398949226 is a deficient number, since it is larger than the sum of its proper divisors (699734614).

1398949226 is an equidigital number, since it uses as much as digits as its factorization.

1398949226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86668.

The product of its digits is 1679616, while the sum is 53.

The square root of 1398949226 is about 37402.5296738068. The cubic root of 1398949226 is about 1118.4089936371.

The spelling of 1398949226 in words is "one billion, three hundred ninety-eight million, nine hundred forty-nine thousand, two hundred twenty-six".