469990 has 16 divisors (see below), whose sum is σ = 866448. Its totient is φ = 183456.

The previous prime is 469979. The next prime is 469993. The reversal of 469990 is 99964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469993) by changing a digit.

469990 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117 + ... + 976.

It is an arithmetic number, because the mean of its divisors is an integer number (54153).

2⁴⁶⁹⁹⁹⁰ is an apocalyptic number.

469990 is a deficient number, since it is larger than the sum of its proper divisors (396458).

469990 is a wasteful number, since it uses less digits than its factorization.

469990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143.

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

The square root of 469990 is about 685.5581667517. The cubic root of 469990 is about 77.7492495525.

The spelling of 469990 in words is "four hundred sixty-nine thousand, nine hundred ninety".