1392299898 has 128 divisors (see below), whose sum is σ = 3412316160. Its totient is φ = 373248000.

The previous prime is 1392299897. The next prime is 1392299903. The reversal of 1392299898 is 8989922931.

It is not an unprimeable number, because it can be changed into a prime (1392299893) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5137503 + ... + 5137773.

It is an arithmetic number, because the mean of its divisors is an integer number (26658720).

Almost surely, 2^1392299898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1392299898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1706158080).

1392299898 is an abundant number, since it is smaller than the sum of its proper divisors (2020016262).

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

1392299898 is a wasteful number, since it uses less digits than its factorization.

1392299898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564.

The product of its digits is 5038848, while the sum is 60.

The square root of 1392299898 is about 37313.5350509704. The cubic root of 1392299898 is about 1116.6342135169.

The spelling of 1392299898 in words is "one billion, three hundred ninety-two million, two hundred ninety-nine thousand, eight hundred ninety-eight".