90368434 has 16 divisors (see below), whose sum is σ = 146323800. Its totient is φ = 41610240.

The previous prime is 90368417. The next prime is 90368459. The reversal of 90368434 is 43486309.

It can be written as a sum of positive squares in 4 ways, for example, as 53802225 + 36566209 = 7335^2 + 6047^2 .

It is a super-2 number, since 2×90368434² = 16332907727224712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90368393 and 90368402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7804 + ... + 15544.

Almost surely, 2^90368434 is an apocalyptic number.

90368434 is a deficient number, since it is larger than the sum of its proper divisors (55955366).

90368434 is a wasteful number, since it uses less digits than its factorization.

90368434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8205.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 90368434 is about 9506.2313247680. The cubic root of 90368434 is about 448.7511613008.

The spelling of 90368434 in words is "ninety million, three hundred sixty-eight thousand, four hundred thirty-four".