1398229260 has 96 divisors (see below), whose sum is σ = 4257489600. Its totient is φ = 341434368.

The previous prime is 1398229253. The next prime is 1398229267. The reversal of 1398229260 is 629228931.

It is an interprime number because it is at equal distance from previous prime (1398229253) and next prime (1398229267).

It is not an unprimeable number, because it can be changed into a prime (1398229267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19216 + ... + 56264.

It is an arithmetic number, because the mean of its divisors is an integer number (44348850).

Almost surely, 2^1398229260 is an apocalyptic number.

1398229260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1398229260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2128744800).

1398229260 is an abundant number, since it is smaller than the sum of its proper divisors (2859260340).

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

1398229260 is a wasteful number, since it uses less digits than its factorization.

1398229260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37115 (or 37113 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 1398229260 is about 37392.9038722590. The cubic root of 1398229260 is about 1118.2170985089.

The spelling of 1398229260 in words is "one billion, three hundred ninety-eight million, two hundred twenty-nine thousand, two hundred sixty".