90893449 has 8 divisors (see below), whose sum is σ = 91620800. Its totient is φ = 90169200.

The previous prime is 90893431. The next prime is 90893459. The reversal of 90893449 is 94439809.

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

It is a cyclic number.

It is not a de Polignac number, because 90893449 - 2¹³ = 90885257 is a prime.

It is a super-2 number, since 2×90893449² = 16523238142231202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90893399 and 90893408.

It is not an unprimeable number, because it can be changed into a prime (90893459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131194 + ... + 131884.

It is an arithmetic number, because the mean of its divisors is an integer number (11452600).

Almost surely, 2^90893449 is an apocalyptic number.

It is an amenable number.

90893449 is a deficient number, since it is larger than the sum of its proper divisors (727351).

90893449 is a wasteful number, since it uses less digits than its factorization.

90893449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 90893449 is about 9533.8055885360. The cubic root of 90893449 is about 449.6185227933.

The spelling of 90893449 in words is "ninety million, eight hundred ninety-three thousand, four hundred forty-nine".