490071384 has 160 divisors (see below), whose sum is σ = 1509354000. Its totient is φ = 147329280.

The previous prime is 490071371. The next prime is 490071403. The reversal of 490071384 is 483170094.

It is a happy number.

It is a super-2 number, since 2×490071384² = 480339922831350912, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1404042 + ... + 1404390.

Almost surely, 2^490071384 is an apocalyptic number.

490071384 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490071384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (754677000).

490071384 is an abundant number, since it is smaller than the sum of its proper divisors (1019282616).

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

490071384 is a wasteful number, since it uses less digits than its factorization.

490071384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 490071384 is about 22137.5559626622. Note that the first 3 decimals coincide. The cubic root of 490071384 is about 788.4117982986.

The spelling of 490071384 in words is "four hundred ninety million, seventy-one thousand, three hundred eighty-four".