1472031989 has 8 divisors (see below), whose sum is σ = 1558981080. Its totient is φ = 1385122816.

The previous prime is 1472031971. The next prime is 1472032027. The reversal of 1472031989 is 9891302741.

It can be written as a sum of positive squares in 4 ways, for example, as 149255089 + 1322776900 = 12217^2 + 36370^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1472031989 - 2²⁰ = 1470983413 is a prime.

It is a super-2 number, since 2×1472031989² = 4333756353278592242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1472031929) 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, 101837 + ... + 115389.

It is an arithmetic number, because the mean of its divisors is an integer number (194872635).

Almost surely, 2^1472031989 is an apocalyptic number.

It is an amenable number.

1472031989 is a deficient number, since it is larger than the sum of its proper divisors (86949091).

1472031989 is a wasteful number, since it uses less digits than its factorization.

1472031989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19959.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 1472031989 is about 38367.0690697113. The cubic root of 1472031989 is about 1137.5550321401. Note that the first 3 decimals are identical.

The spelling of 1472031989 in words is "one billion, four hundred seventy-two million, thirty-one thousand, nine hundred eighty-nine".