1949233420 has 24 divisors (see below), whose sum is σ = 4142711664. Its totient is φ = 770298816.

The previous prime is 1949233409. The next prime is 1949233421. The reversal of 1949233420 is 243329491.

It is a self number, because there is not a number n which added to its sum of digits gives 1949233420.

It is not an unprimeable number, because it can be changed into a prime (1949233421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585459 + ... + 588778.

It is an arithmetic number, because the mean of its divisors is an integer number (172612986).

Almost surely, 2^1949233420 is an apocalyptic number.

1949233420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1949233420 is an abundant number, since it is smaller than the sum of its proper divisors (2193478244).

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

1949233420 is a wasteful number, since it uses less digits than its factorization.

1949233420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174329 (or 1174327 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 1949233420 is about 44150.1236691360. The cubic root of 1949233420 is about 1249.1692442649.

The spelling of 1949233420 in words is "one billion, nine hundred forty-nine million, two hundred thirty-three thousand, four hundred twenty".