363121690 has 16 divisors (see below), whose sum is σ = 662826240. Its totient is φ = 143202640.

The previous prime is 363121687. The next prime is 363121697. The reversal of 363121690 is 96121363.

It is a super-2 number, since 2×363121690² = 263714723496912200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (363121697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255010 + ... + 256429.

It is an arithmetic number, because the mean of its divisors is an integer number (41426640).

Almost surely, 2^363121690 is an apocalyptic number.

363121690 is a deficient number, since it is larger than the sum of its proper divisors (299704550).

363121690 is a wasteful number, since it uses less digits than its factorization.

363121690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511517.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 363121690 is about 19055.7521499415. The cubic root of 363121690 is about 713.4289530790.

The spelling of 363121690 in words is "three hundred sixty-three million, one hundred twenty-one thousand, six hundred ninety".