90203463 has 30 divisors (see below), whose sum is σ = 156755016. Its totient is φ = 51542568.

The previous prime is 90203437. The next prime is 90203473. The reversal of 90203463 is 36430209.

It is not a de Polignac number, because 90203463 - 2¹⁰ = 90202439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90203413) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 7395 + ... + 15332.

Almost surely, 2^90203463 is an apocalyptic number.

90203463 is a deficient number, since it is larger than the sum of its proper divisors (66551553).

90203463 is a wasteful number, since it uses less digits than its factorization.

90203463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22753 (or 22737 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 90203463 is about 9497.5503683845. The cubic root of 90203463 is about 448.4779242163.

The spelling of 90203463 in words is "ninety million, two hundred three thousand, four hundred sixty-three".