368037821 has 4 divisors (see below), whose sum is σ = 369338592. Its totient is φ = 366737052.

The previous prime is 368037781. The next prime is 368037823. The reversal of 368037821 is 128730863.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 368037821 - 2⁶ = 368037757 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 (368037823) 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, 649961 + ... + 650526.

It is an arithmetic number, because the mean of its divisors is an integer number (92334648).

Almost surely, 2^368037821 is an apocalyptic number.

It is an amenable number.

368037821 is a deficient number, since it is larger than the sum of its proper divisors (1300771).

368037821 is a wasteful number, since it uses less digits than its factorization.

368037821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300770.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 368037821 is about 19184.3118458807. The cubic root of 368037821 is about 716.6341230821.

The spelling of 368037821 in words is "three hundred sixty-eight million, thirty-seven thousand, eight hundred twenty-one".