699490 has 16 divisors (see below), whose sum is σ = 1373760. Its totient is φ = 254320.

The previous prime is 699469. The next prime is 699493. The reversal of 699490 is 94996.

It is not an unprimeable number, because it can be changed into a prime (699493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3070 + ... + 3289.

It is an arithmetic number, because the mean of its divisors is an integer number (85860).

2⁶⁹⁹⁴⁹⁰ is an apocalyptic number.

699490 is a deficient number, since it is larger than the sum of its proper divisors (674270).

699490 is a wasteful number, since it uses less digits than its factorization.

699490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6377.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 699490 is about 836.3551877044. The cubic root of 699490 is about 88.7688315524.

It can be divided in two parts, 69 and 9490, that added together give a palindrome (9559).

The spelling of 699490 in words is "six hundred ninety-nine thousand, four hundred ninety".