1890468272 has 80 divisors (see below), whose sum is σ = 4835261952. Its totient is φ = 693212160.

The previous prime is 1890468271. The next prime is 1890468287. The reversal of 1890468272 is 2728640981.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1890468271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24188 + ... + 66075.

Almost surely, 2^1890468272 is an apocalyptic number.

It is an amenable number.

1890468272 is an abundant number, since it is smaller than the sum of its proper divisors (2944793680).

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

1890468272 is a wasteful number, since it uses less digits than its factorization.

1890468272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90306 (or 90300 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 1890468272 is about 43479.5155446792. The cubic root of 1890468272 is about 1236.4876916964.

The spelling of 1890468272 in words is "one billion, eight hundred ninety million, four hundred sixty-eight thousand, two hundred seventy-two".