90967212 has 120 divisors (see below), whose sum is σ = 286218240. Its totient is φ = 24611040.

The previous prime is 90967211. The next prime is 90967223. The reversal of 90967212 is 21276909.

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 odd and even.

It is not an unprimeable number, because it can be changed into a prime (90967211) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42037 + ... + 44147.

It is an arithmetic number, because the mean of its divisors is an integer number (2385152).

Almost surely, 2^90967212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90967212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143109120).

90967212 is an abundant number, since it is smaller than the sum of its proper divisors (195251028).

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

90967212 is a wasteful number, since it uses less digits than its factorization.

90967212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153 (or 2142 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 90967212 is about 9537.6733011778. The cubic root of 90967212 is about 449.7401166081.

It can be divided in two parts, 909 and 67212, that added together give a square (68121 = 261²).

The spelling of 90967212 in words is "ninety million, nine hundred sixty-seven thousand, two hundred twelve".