1398812046 has 8 divisors (see below), whose sum is σ = 2797624104. Its totient is φ = 466270680.

The previous prime is 1398812033. The next prime is 1398812089. The reversal of 1398812046 is 6402188931.

It is a sphenic number, since it is the product of 3 distinct primes.

1398812046 is an admirable number.

It is a super-2 number, since 2×1398812046² = 3913350280069412232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1398811989 and 1398812007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116567665 + ... + 116567676.

It is an arithmetic number, because the mean of its divisors is an integer number (349703013).

Almost surely, 2^1398812046 is an apocalyptic number.

1398812046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1398812046 is a wasteful number, since it uses less digits than its factorization.

1398812046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233135346.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 1398812046 is about 37400.6957956667. The cubic root of 1398812046 is about 1118.3724356363.

The spelling of 1398812046 in words is "one billion, three hundred ninety-eight million, eight hundred twelve thousand, forty-six".