1398466554 has 16 divisors (see below), whose sum is σ = 2861978592. Its totient is φ = 455314608.

The previous prime is 1398466549. The next prime is 1398466577. The reversal of 1398466554 is 4556648931.

It is a junction number, because it is equal to n+sod(n) for n = 1398466497 and 1398466506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2709949 + ... + 2710464.

It is an arithmetic number, because the mean of its divisors is an integer number (178873662).

Almost surely, 2^1398466554 is an apocalyptic number.

1398466554 is an abundant number, since it is smaller than the sum of its proper divisors (1463512038).

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

1398466554 is a wasteful number, since it uses less digits than its factorization.

1398466554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5420461.

The product of its digits is 3110400, while the sum is 51.

The square root of 1398466554 is about 37396.0767193565. The cubic root of 1398466554 is about 1118.2803526085.

The spelling of 1398466554 in words is "one billion, three hundred ninety-eight million, four hundred sixty-six thousand, five hundred fifty-four".