90463428 has 36 divisors (see below), whose sum is σ = 249460848. Its totient is φ = 27413040.

The previous prime is 90463423. The next prime is 90463433. The reversal of 90463428 is 82436409.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90463423) and next prime (90463433).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×90463428² = 16367263611022368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 90463392 and 90463401.

It is not an unprimeable number, because it can be changed into a prime (90463423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113826 + ... + 114617.

It is an arithmetic number, because the mean of its divisors is an integer number (6929468).

Almost surely, 2^90463428 is an apocalyptic number.

It is an amenable number.

90463428 is an abundant number, since it is smaller than the sum of its proper divisors (158997420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90463428 is a wasteful number, since it uses less digits than its factorization.

90463428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228464 (or 228459 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 90463428 is about 9511.2264193426. The cubic root of 90463428 is about 448.9083464954.

The spelling of 90463428 in words is "ninety million, four hundred sixty-three thousand, four hundred twenty-eight".