1398006214 has 16 divisors (see below), whose sum is σ = 2289301056. Its totient is φ = 634997800.

The previous prime is 1398006157. The next prime is 1398006227. The reversal of 1398006214 is 4126008931.

It is a super-2 number, since 2×1398006214² = 3908842748765227592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1398006214.

It is a congruent number.

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, 9129 + ... + 53659.

It is an arithmetic number, because the mean of its divisors is an integer number (143081316).

Almost surely, 2^1398006214 is an apocalyptic number.

1398006214 is a deficient number, since it is larger than the sum of its proper divisors (891294842).

1398006214 is a wasteful number, since it uses less digits than its factorization.

1398006214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45971.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1398006214 is about 37389.9212890319. The cubic root of 1398006214 is about 1118.1576358915.

The spelling of 1398006214 in words is "one billion, three hundred ninety-eight million, six thousand, two hundred fourteen".