182820494 has 4 divisors (see below), whose sum is σ = 274230744. Its totient is φ = 91410246.

The previous prime is 182820487. The next prime is 182820497. The reversal of 182820494 is 494028281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 494028281 = 1889 ⋅261529.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182820497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45705122 + ... + 45705125.

It is an arithmetic number, because the mean of its divisors is an integer number (68557686).

Almost surely, 2^182820494 is an apocalyptic number.

182820494 is a deficient number, since it is larger than the sum of its proper divisors (91410250).

182820494 is an equidigital number, since it uses as much as digits as its factorization.

182820494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91410249.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 182820494 is about 13521.1128979829. The cubic root of 182820494 is about 567.5554425835. Note that the first 3 decimals are identical.

It can be divided in two parts, 1828 and 20494, that added together give a palindrome (22322).

The spelling of 182820494 in words is "one hundred eighty-two million, eight hundred twenty thousand, four hundred ninety-four".