90082838 has 16 divisors (see below), whose sum is σ = 146826240. Its totient is φ = 41293800.

The previous prime is 90082799. The next prime is 90082849. The reversal of 90082838 is 83828009.

It is a super-2 number, since 2×90082838² = 16229835404268488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

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, 37058 + ... + 39413.

It is an arithmetic number, because the mean of its divisors is an integer number (9176640).

Almost surely, 2^90082838 is an apocalyptic number.

90082838 is a deficient number, since it is larger than the sum of its proper divisors (56743402).

90082838 is a wasteful number, since it uses less digits than its factorization.

90082838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76523.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 90082838 is about 9491.1979222857. The cubic root of 90082838 is about 448.2779253106.

It can be divided in two parts, 900 and 82838, that added together give a palindrome (83738).

The spelling of 90082838 in words is "ninety million, eighty-two thousand, eight hundred thirty-eight".