366421000 has 64 divisors (see below), whose sum is σ = 935400960. Its totient is φ = 133240000.

The previous prime is 366420991. The next prime is 366421007. The reversal of 366421000 is 124663.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (366421007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5656 + ... + 27655.

It is an arithmetic number, because the mean of its divisors is an integer number (14615640).

Almost surely, 2^366421000 is an apocalyptic number.

It is an amenable number.

366421000 is an abundant number, since it is smaller than the sum of its proper divisors (568979960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

366421000 is a wasteful number, since it uses less digits than its factorization.

366421000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33343 (or 33329 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 366421000 is about 19142.1263186721. The cubic root of 366421000 is about 715.5831713441.

Adding to 366421000 its reverse (124663), we get a palindrome (366545663).

The spelling of 366421000 in words is "three hundred sixty-six million, four hundred twenty-one thousand".