364023661 has 4 divisors (see below), whose sum is σ = 369991324. Its totient is φ = 358056000.

The previous prime is 364023623. The next prime is 364023683. The reversal of 364023661 is 166320463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 166320463 = 83 ⋅2003861.

It can be written as a sum of positive squares in 2 ways, for example, as 7946761 + 356076900 = 2819^2 + 18870^2 .

It is a cyclic number.

It is not a de Polignac number, because 364023661 - 2¹³ = 364015469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (364021661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2983740 + ... + 2983861.

It is an arithmetic number, because the mean of its divisors is an integer number (92497831).

Almost surely, 2^364023661 is an apocalyptic number.

It is an amenable number.

364023661 is a deficient number, since it is larger than the sum of its proper divisors (5967663).

364023661 is an equidigital number, since it uses as much as digits as its factorization.

364023661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5967662.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 364023661 is about 19079.4041049504. The cubic root of 364023661 is about 714.0191685909.

The spelling of 364023661 in words is "three hundred sixty-four million, twenty-three thousand, six hundred sixty-one".