1966414398 has 24 divisors (see below), whose sum is σ = 4236197784. Its totient is φ = 604930080.

The previous prime is 1966414393. The next prime is 1966414409. The reversal of 1966414398 is 8934146691.

It is a self number, because there is not a number n which added to its sum of digits gives 1966414398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1966414393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 389128 + ... + 394148.

It is an arithmetic number, because the mean of its divisors is an integer number (176508241).

Almost surely, 2^1966414398 is an apocalyptic number.

1966414398 is an abundant number, since it is smaller than the sum of its proper divisors (2269783386).

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

1966414398 is an frugal number, since it uses more digits than its factorization.

1966414398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10060 (or 5039 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 1966414398 is about 44344.2713098321. The cubic root of 1966414398 is about 1252.8286656654.

The spelling of 1966414398 in words is "one billion, nine hundred sixty-six million, four hundred fourteen thousand, three hundred ninety-eight".