690338067 has 4 divisors (see below), whose sum is σ = 920450760. Its totient is φ = 460225376.

The previous prime is 690338063. The next prime is 690338071. The reversal of 690338067 is 760833096.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (690338063) and next prime (690338071).

It is a cyclic number.

It is not a de Polignac number, because 690338067 - 2² = 690338063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (690338063) 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, 115056342 + ... + 115056347.

It is an arithmetic number, because the mean of its divisors is an integer number (230112690).

Almost surely, 2^690338067 is an apocalyptic number.

690338067 is a deficient number, since it is larger than the sum of its proper divisors (230112693).

690338067 is a wasteful number, since it uses less digits than its factorization.

690338067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230112692.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 690338067 is about 26274.2852804791. The cubic root of 690338067 is about 883.7998850035.

The spelling of 690338067 in words is "six hundred ninety million, three hundred thirty-eight thousand, sixty-seven".