1598211396 has 144 divisors (see below), whose sum is σ = 4358914560. Its totient is φ = 492560640.

The previous prime is 1598211371. The next prime is 1598211421. The reversal of 1598211396 is 6931128951.

1598211396 is a `hidden beast` number, since 1 + 598 + 21 + 1 + 39 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1598211371) and next prime (1598211421).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3466606 + ... + 3467066.

It is an arithmetic number, because the mean of its divisors is an integer number (30270240).

Almost surely, 2^1598211396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1598211396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2179457280).

1598211396 is an abundant number, since it is smaller than the sum of its proper divisors (2760703164).

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

1598211396 is a wasteful number, since it uses less digits than its factorization.

1598211396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 621 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 1598211396 is about 39977.6361982546. The cubic root of 1598211396 is about 1169.1711069657.

The spelling of 1598211396 in words is "one billion, five hundred ninety-eight million, two hundred eleven thousand, three hundred ninety-six".