90956449 has 4 divisors (see below), whose sum is σ = 93890560. Its totient is φ = 88022340.

The previous prime is 90956447. The next prime is 90956497. The reversal of 90956449 is 94465909.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94465909 = 79 ⋅1195771.

It is a cyclic number.

It is not a de Polignac number, because 90956449 - 2¹ = 90956447 is a prime.

It is a super-2 number, since 2×90956449² = 16546151229379202, 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 = 90956399 and 90956408.

It is not an unprimeable number, because it can be changed into a prime (90956447) 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, 1467009 + ... + 1467070.

It is an arithmetic number, because the mean of its divisors is an integer number (23472640).

Almost surely, 2^90956449 is an apocalyptic number.

It is an amenable number.

90956449 is a deficient number, since it is larger than the sum of its proper divisors (2934111).

90956449 is a wasteful number, since it uses less digits than its factorization.

90956449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934110.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 90956449 is about 9537.1090483437. The cubic root of 90956449 is about 449.7223785546.

The spelling of 90956449 in words is "ninety million, nine hundred fifty-six thousand, four hundred forty-nine".