1398104064 has 420 divisors, whose sum is σ = 4971716244. Its totient is φ = 390168576.

The previous prime is 1398104063. The next prime is 1398104069. The reversal of 1398104064 is 4604018931.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1398104063) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 32514027 + ... + 32514069.

Almost surely, 2^1398104064 is an apocalyptic number.

1398104064 is a gapful number since it is divisible by the number (14) 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 1398104064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2485858122).

1398104064 is an abundant number, since it is smaller than the sum of its proper divisors (3573612180).

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

1398104064 is an frugal number, since it uses more digits than its factorization.

1398104064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1398104064 is about 37391.2297738387. The cubic root of 1398104064 is about 1118.1837228457.

The spelling of 1398104064 in words is "one billion, three hundred ninety-eight million, one hundred four thousand, sixty-four".