1490885946 has 64 divisors (see below), whose sum is σ = 3660134400. Its totient is φ = 446050800.

The previous prime is 1490885899. The next prime is 1490885971. The reversal of 1490885946 is 6495880941.

1490885946 is a `hidden beast` number, since 1 + 49 + 0 + 8 + 8 + 594 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1490885892 and 1490885901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31041 + ... + 62811.

It is an arithmetic number, because the mean of its divisors is an integer number (57189600).

Almost surely, 2^1490885946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490885946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1830067200).

1490885946 is an abundant number, since it is smaller than the sum of its proper divisors (2169248454).

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

1490885946 is a wasteful number, since it uses less digits than its factorization.

1490885946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31872 (or 31866 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The square root of 1490885946 is about 38611.9922562926. The cubic root of 1490885946 is about 1142.3910893442.

The spelling of 1490885946 in words is "one billion, four hundred ninety million, eight hundred eighty-five thousand, nine hundred forty-six".