1936824894 has 24 divisors (see below), whose sum is σ = 4378909392. Its totient is φ = 617538240.

The previous prime is 1936824893. The next prime is 1936824931. The reversal of 1936824894 is 4984286391.

It is a super-2 number, since 2×1936824894² = 7502581340036222472, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1936824894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1936824893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2338747 + ... + 2339574.

It is an arithmetic number, because the mean of its divisors is an integer number (182454558).

Almost surely, 2^1936824894 is an apocalyptic number.

1936824894 is an abundant number, since it is smaller than the sum of its proper divisors (2442084498).

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

1936824894 is a wasteful number, since it uses less digits than its factorization.

1936824894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4678352 (or 4678349 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 1936824894 is about 44009.3727971667. The cubic root of 1936824894 is about 1246.5129253473.

The spelling of 1936824894 in words is "one billion, nine hundred thirty-six million, eight hundred twenty-four thousand, eight hundred ninety-four".