619486946 has 8 divisors (see below), whose sum is σ = 1000709724. Its totient is φ = 285917040.

The previous prime is 619486943. The next prime is 619486969. The reversal of 619486946 is 649684916.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 591024721 + 28462225 = 24311^2 + 5335^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (619486943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11913185 + ... + 11913236.

Almost surely, 2^619486946 is an apocalyptic number.

619486946 is a deficient number, since it is larger than the sum of its proper divisors (381222778).

619486946 is a wasteful number, since it uses less digits than its factorization.

619486946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23826436.

The product of its digits is 2239488, while the sum is 53.

The square root of 619486946 is about 24889.4946915360. The cubic root of 619486946 is about 852.4666279796.

The spelling of 619486946 in words is "six hundred nineteen million, four hundred eighty-six thousand, nine hundred forty-six".