699478 has 8 divisors (see below), whose sum is σ = 1129968. Its totient is φ = 322824.

The previous prime is 699469. The next prime is 699493. The reversal of 699478 is 874996.

699478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13426 + ... + 13477.

It is an arithmetic number, because the mean of its divisors is an integer number (141246).

2⁶⁹⁹⁴⁷⁸ is an apocalyptic number.

699478 is a deficient number, since it is larger than the sum of its proper divisors (430490).

699478 is a wasteful number, since it uses less digits than its factorization.

699478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26918.

The product of its digits is 108864, while the sum is 43.

The square root of 699478 is about 836.3480136881. The cubic root of 699478 is about 88.7683239292.

The spelling of 699478 in words is "six hundred ninety-nine thousand, four hundred seventy-eight".