1398417696 has 240 divisors, whose sum is σ = 4528427904. Its totient is φ = 420650496.

The previous prime is 1398417679. The next prime is 1398417697. The reversal of 1398417696 is 6967148931.

1398417696 is a `hidden beast` number, since 139 + 8 + 417 + 6 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1398417697) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1583271 + ... + 1584153.

Almost surely, 2^1398417696 is an apocalyptic number.

1398417696 is a gapful number since it is divisible by the number (16) 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 1398417696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2264213952).

1398417696 is an abundant number, since it is smaller than the sum of its proper divisors (3130010208).

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

1398417696 is a wasteful number, since it uses less digits than its factorization.

1398417696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965 (or 948 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 1398417696 is about 37395.4234633063. The cubic root of 1398417696 is about 1118.2673293969.

The spelling of 1398417696 in words is "one billion, three hundred ninety-eight million, four hundred seventeen thousand, six hundred ninety-six".