90961463 has 4 divisors (see below), whose sum is σ = 91844688. Its totient is φ = 90078240.

The previous prime is 90961447. The next prime is 90961499. The reversal of 90961463 is 36416909.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36416909 = 31 ⋅1174739.

It is a cyclic number.

It is not a de Polignac number, because 90961463 - 2⁴ = 90961447 is a prime.

It is a super-2 number, since 2×90961463² = 16547975502200738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90961433) 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, 441458 + ... + 441663.

It is an arithmetic number, because the mean of its divisors is an integer number (22961172).

Almost surely, 2^90961463 is an apocalyptic number.

90961463 is a deficient number, since it is larger than the sum of its proper divisors (883225).

90961463 is a wasteful number, since it uses less digits than its factorization.

90961463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883224.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 90961463 is about 9537.3719126392. The cubic root of 90961463 is about 449.7306420939.

The spelling of 90961463 in words is "ninety million, nine hundred sixty-one thousand, four hundred sixty-three".