366894947 has 4 divisors (see below), whose sum is σ = 367032120. Its totient is φ = 366757776.

The previous prime is 366894929. The next prime is 366894949. The reversal of 366894947 is 749498663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749498663 = 787 ⋅952349.

It is a cyclic number.

It is not a de Polignac number, because 366894947 - 2²² = 362700643 is a prime.

It is a super-2 number, since 2×366894947² = 269223804268265618, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 366894892 and 366894901.

It is not an unprimeable number, because it can be changed into a prime (366894949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64493 + ... + 69950.

It is an arithmetic number, because the mean of its divisors is an integer number (91758030).

Almost surely, 2^366894947 is an apocalyptic number.

366894947 is a deficient number, since it is larger than the sum of its proper divisors (137173).

366894947 is a wasteful number, since it uses less digits than its factorization.

366894947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137172.

The product of its digits is 7838208, while the sum is 56.

The square root of 366894947 is about 19154.5020034456. The cubic root of 366894947 is about 715.8915619462.

The spelling of 366894947 in words is "three hundred sixty-six million, eight hundred ninety-four thousand, nine hundred forty-seven".