90268738 has 8 divisors (see below), whose sum is σ = 154746432. Its totient is φ = 38686596.

The previous prime is 90268729. The next prime is 90268741. The reversal of 90268738 is 83786209.

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

It is a super-2 number, since 2×90268738² = 16296890120225288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90268694 and 90268703.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3223870 + ... + 3223897.

It is an arithmetic number, because the mean of its divisors is an integer number (19343304).

Almost surely, 2^90268738 is an apocalyptic number.

90268738 is a deficient number, since it is larger than the sum of its proper divisors (64477694).

90268738 is a wasteful number, since it uses less digits than its factorization.

90268738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6447776.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 90268738 is about 9500.9861593416. The cubic root of 90268738 is about 448.5860772626.

The spelling of 90268738 in words is "ninety million, two hundred sixty-eight thousand, seven hundred thirty-eight".