919955474 has 16 divisors (see below), whose sum is σ = 1399441920. Its totient is φ = 453492000.

The previous prime is 919955461. The next prime is 919955479. The reversal of 919955474 is 474559919.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (919955479) 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, 114782 + ... + 122534.

It is an arithmetic number, because the mean of its divisors is an integer number (87465120).

Almost surely, 2^919955474 is an apocalyptic number.

919955474 is a deficient number, since it is larger than the sum of its proper divisors (479486446).

919955474 is a wasteful number, since it uses less digits than its factorization.

919955474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8585.

The product of its digits is 2041200, while the sum is 53.

The square root of 919955474 is about 30330.7677779512. The cubic root of 919955474 is about 972.5731355708.

The spelling of 919955474 in words is "nine hundred nineteen million, nine hundred fifty-five thousand, four hundred seventy-four".