90379646 has 8 divisors (see below), whose sum is σ = 154936560. Its totient is φ = 38734128.

The previous prime is 90379643. The next prime is 90379669. The reversal of 90379646 is 64697309.

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

It is a super-2 number, since 2×90379646² = 16336960822170632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90379597 and 90379606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90379643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3227831 + ... + 3227858.

It is an arithmetic number, because the mean of its divisors is an integer number (19367070).

Almost surely, 2^90379646 is an apocalyptic number.

90379646 is a deficient number, since it is larger than the sum of its proper divisors (64556914).

90379646 is a wasteful number, since it uses less digits than its factorization.

90379646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6455698.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 90379646 is about 9506.8210249273. The cubic root of 90379646 is about 448.7697193663.

The spelling of 90379646 in words is "ninety million, three hundred seventy-nine thousand, six hundred forty-six".