919421352 has 24 divisors (see below), whose sum is σ = 2490099690. Its totient is φ = 306473760.

The previous prime is 919421323. The next prime is 919421357. The reversal of 919421352 is 253124919.

It can be written as a sum of positive squares in only one way, i.e., 522853956 + 396567396 = 22866^2 + 19914^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (919421357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6384799 + ... + 6384942.

Almost surely, 2^919421352 is an apocalyptic number.

It is an amenable number.

919421352 is an abundant number, since it is smaller than the sum of its proper divisors (1570678338).

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

919421352 is a wasteful number, since it uses less digits than its factorization.

919421352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12769753 (or 12769746 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 919421352 is about 30321.9615460478. The cubic root of 919421352 is about 972.3848752727.

The spelling of 919421352 in words is "nine hundred nineteen million, four hundred twenty-one thousand, three hundred fifty-two".