1406299998 has 16 divisors (see below), whose sum is σ = 2819100816. Its totient is φ = 467683200.

The previous prime is 1406299943. The next prime is 1406300023. The reversal of 1406299998 is 8999926041.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268053 + ... + 273248.

It is an arithmetic number, because the mean of its divisors is an integer number (176193801).

Almost surely, 2^1406299998 is an apocalyptic number.

1406299998 is an abundant number, since it is smaller than the sum of its proper divisors (1412800818).

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

1406299998 is a wasteful number, since it uses less digits than its factorization.

1406299998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541739.

The product of its (nonzero) digits is 2519424, while the sum is 57.

The square root of 1406299998 is about 37500.6666340747. Note that the first 4 decimals coincide. The cubic root of 1406299998 is about 1120.3644641871.

The spelling of 1406299998 in words is "one billion, four hundred six million, two hundred ninety-nine thousand, nine hundred ninety-eight".