690453226 has 16 divisors (see below), whose sum is σ = 1064659680. Its totient is φ = 335584080.

The previous prime is 690453221. The next prime is 690453227. The reversal of 690453226 is 622354096.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (690453221) 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 7 ways as a sum of consecutive naturals, for example, 89461 + ... + 96871.

It is an arithmetic number, because the mean of its divisors is an integer number (66541230).

Almost surely, 2^690453226 is an apocalyptic number.

690453226 is a deficient number, since it is larger than the sum of its proper divisors (374206454).

690453226 is a wasteful number, since it uses less digits than its factorization.

690453226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8709.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 690453226 is about 26276.4766664026. The cubic root of 690453226 is about 883.8490260727.

The spelling of 690453226 in words is "six hundred ninety million, four hundred fifty-three thousand, two hundred twenty-six".