1489751946 has 64 divisors (see below), whose sum is σ = 3347850240. Its totient is φ = 491028480.

The previous prime is 1489751927. The next prime is 1489751951. The reversal of 1489751946 is 6491579841.

1489751946 is a `hidden beast` number, since 1 + 4 + 89 + 7 + 519 + 46 = 666.

It is a super-2 number, since 2×1489751946² = 4438721721221573832, which contains 22 as substring.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1489751892 and 1489751901.

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, 2323786 + ... + 2324426.

It is an arithmetic number, because the mean of its divisors is an integer number (52310160).

Almost surely, 2^1489751946 is an apocalyptic number.

1489751946 is an abundant number, since it is smaller than the sum of its proper divisors (1858098294).

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

1489751946 is a wasteful number, since it uses less digits than its factorization.

1489751946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068 (or 1062 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 1489751946 is about 38597.3049059128. The cubic root of 1489751946 is about 1142.1013734447.

The spelling of 1489751946 in words is "one billion, four hundred eighty-nine million, seven hundred fifty-one thousand, nine hundred forty-six".