690367 has 2 divisors, whose sum is σ = 690368. Its totient is φ = 690366.

The previous prime is 690341. The next prime is 690377. The reversal of 690367 is 763096.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-690367 is a prime.

It is a Chen prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (690377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345183 + 345184.

It is an arithmetic number, because the mean of its divisors is an integer number (345184).

2⁶⁹⁰³⁶⁷ is an apocalyptic number.

690367 is a deficient number, since it is larger than the sum of its proper divisors (1).

690367 is an equidigital number, since it uses as much as digits as its factorization.

690367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 690367 is about 830.8832649657. The cubic root of 690367 is about 88.3812231913.

The spelling of 690367 in words is "six hundred ninety thousand, three hundred sixty-seven".