338624977 has 4 divisors (see below), whose sum is σ = 342704880. Its totient is φ = 334545076.

The previous prime is 338624939. The next prime is 338624981. The reversal of 338624977 is 779426833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 779426833 = 193 ⋅4038481.

It is a cyclic number.

It is not a de Polignac number, because 338624977 - 2¹¹ = 338622929 is a prime.

It is a super-2 number, since 2×338624977² = 229333750096501058, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 338624977.

It is not an unprimeable number, because it can be changed into a prime (338624917) 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, 2039827 + ... + 2039992.

It is an arithmetic number, because the mean of its divisors is an integer number (85676220).

Almost surely, 2^338624977 is an apocalyptic number.

It is an amenable number.

338624977 is a deficient number, since it is larger than the sum of its proper divisors (4079903).

338624977 is an equidigital number, since it uses as much as digits as its factorization.

338624977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079902.

The product of its digits is 1524096, while the sum is 49.

The square root of 338624977 is about 18401.7655946379. The cubic root of 338624977 is about 697.0110494349.

The spelling of 338624977 in words is "three hundred thirty-eight million, six hundred twenty-four thousand, nine hundred seventy-seven".