1894400706 has 32 divisors (see below), whose sum is σ = 4221186048. Its totient is φ = 561845840.

The previous prime is 1894400699. The next prime is 1894400723. The reversal of 1894400706 is 6070044981.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302250 + ... + 308453.

It is an arithmetic number, because the mean of its divisors is an integer number (131912064).

Almost surely, 2^1894400706 is an apocalyptic number.

1894400706 is an abundant number, since it is smaller than the sum of its proper divisors (2326785342).

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

1894400706 is a wasteful number, since it uses less digits than its factorization.

1894400706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610766.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1894400706 is about 43524.7137382890. The cubic root of 1894400706 is about 1237.3444527277.

The spelling of 1894400706 in words is "one billion, eight hundred ninety-four million, four hundred thousand, seven hundred six".