1954287798 has 32 divisors (see below), whose sum is σ = 3991489920. Its totient is φ = 637703040.

The previous prime is 1954287781. The next prime is 1954287823. The reversal of 1954287798 is 8977824591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73861 + ... + 96767.

It is an arithmetic number, because the mean of its divisors is an integer number (124734060).

Almost surely, 2^1954287798 is an apocalyptic number.

1954287798 is an abundant number, since it is smaller than the sum of its proper divisors (2037202122).

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

1954287798 is a wasteful number, since it uses less digits than its factorization.

1954287798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23212.

The product of its digits is 10160640, while the sum is 60.

The square root of 1954287798 is about 44207.3274243083. The cubic root of 1954287798 is about 1250.2480143612.

The spelling of 1954287798 in words is "one billion, nine hundred fifty-four million, two hundred eighty-seven thousand, seven hundred ninety-eight".