890723232 has 72 divisors (see below), whose sum is σ = 2894857056. Its totient is φ = 254491776.

The previous prime is 890723213. The next prime is 890723233. The reversal of 890723232 is 232327098.

890723232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (890723233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218898 + ... + 222929.

It is an arithmetic number, because the mean of its divisors is an integer number (40206348).

Almost surely, 2^890723232 is an apocalyptic number.

It is an amenable number.

890723232 is an abundant number, since it is smaller than the sum of its proper divisors (2004133824).

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

890723232 is a wasteful number, since it uses less digits than its factorization.

890723232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441850 (or 441839 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 890723232 is about 29844.9867146896. The cubic root of 890723232 is about 962.1606542405.

The spelling of 890723232 in words is "eight hundred ninety million, seven hundred twenty-three thousand, two hundred thirty-two".