1869920414 has 8 divisors (see below), whose sum is σ = 2807007888. Its totient is φ = 934251120.

The previous prime is 1869920407. The next prime is 1869920431. The reversal of 1869920414 is 4140299681.

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

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 3 ways as a sum of consecutive naturals, for example, 351242 + ... + 356525.

It is an arithmetic number, because the mean of its divisors is an integer number (350875986).

Almost surely, 2^1869920414 is an apocalyptic number.

1869920414 is a deficient number, since it is larger than the sum of its proper divisors (937087474).

1869920414 is a wasteful number, since it uses less digits than its factorization.

1869920414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709090.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 1869920414 is about 43242.5764033551. The cubic root of 1869920414 is about 1231.9914890730.

The spelling of 1869920414 in words is "one billion, eight hundred sixty-nine million, nine hundred twenty thousand, four hundred fourteen".