464405838 has 16 divisors (see below), whose sum is σ = 1000258896. Its totient is φ = 142894080.

The previous prime is 464405831. The next prime is 464405839. The reversal of 464405838 is 838504464.

It is a self number, because there is not a number n which added to its sum of digits gives 464405838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464405831) 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, 2976883 + ... + 2977038.

It is an arithmetic number, because the mean of its divisors is an integer number (62516181).

Almost surely, 2^464405838 is an apocalyptic number.

464405838 is an abundant number, since it is smaller than the sum of its proper divisors (535853058).

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

464405838 is a wasteful number, since it uses less digits than its factorization.

464405838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953939.

The product of its (nonzero) digits is 368640, while the sum is 42.

The square root of 464405838 is about 21550.0774476567. The cubic root of 464405838 is about 774.4009733908.

The spelling of 464405838 in words is "four hundred sixty-four million, four hundred five thousand, eight hundred thirty-eight".