1019794396 has 24 divisors (see below), whose sum is σ = 1866942000. Its totient is φ = 486777984.

The previous prime is 1019794381. The next prime is 1019794397. The reversal of 1019794396 is 6934979101.

It is a super-2 number, since 2×1019794396² = 2079961220226009632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1019794397) 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 7 ways as a sum of consecutive naturals, for example, 39066 + ... + 59713.

It is an arithmetic number, because the mean of its divisors is an integer number (77789250).

Almost surely, 2^1019794396 is an apocalyptic number.

It is an amenable number.

1019794396 is a deficient number, since it is larger than the sum of its proper divisors (847147604).

1019794396 is a wasteful number, since it uses less digits than its factorization.

1019794396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98901 (or 98899 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 1019794396 is about 31934.2198276394. The cubic root of 1019794396 is about 1006.5550691799. Note that the first 3 decimals are identical.

The spelling of 1019794396 in words is "one billion, nineteen million, seven hundred ninety-four thousand, three hundred ninety-six".