366826881 has 4 divisors (see below), whose sum is σ = 489102512. Its totient is φ = 244551252.

The previous prime is 366826871. The next prime is 366826891. The reversal of 366826881 is 188628663.

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: 188628663 = 3 ⋅62876221.

It is an interprime number because it is at equal distance from previous prime (366826871) and next prime (366826891).

It is not a de Polignac number, because 366826881 - 2¹³ = 366818689 is a prime.

It is a super-2 number, since 2×366826881² = 269123921248376322, which contains 22 as substring.

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 366826881.

It is not an unprimeable number, because it can be changed into a prime (366826841) 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, 61137811 + ... + 61137816.

It is an arithmetic number, because the mean of its divisors is an integer number (122275628).

Almost surely, 2^366826881 is an apocalyptic number.

It is an amenable number.

366826881 is a deficient number, since it is larger than the sum of its proper divisors (122275631).

366826881 is a wasteful number, since it uses less digits than its factorization.

366826881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122275630.

The product of its digits is 663552, while the sum is 48.

The square root of 366826881 is about 19152.7251585773. The cubic root of 366826881 is about 715.8472887021.

The spelling of 366826881 in words is "three hundred sixty-six million, eight hundred twenty-six thousand, eight hundred eighty-one".