449770 has 16 divisors (see below), whose sum is σ = 830088. Its totient is φ = 175360.

The previous prime is 449767. The next prime is 449773. The reversal of 449770 is 77944.

449770 = T₂₀₂ + T₂₀₃ + ... + T₂₂₁.

It is an interprime number because it is at equal distance from previous prime (449767) and next prime (449773).

It can be written as a sum of positive squares in 4 ways, for example, as 192721 + 257049 = 439^2 + 507^2 .

It is not an unprimeable number, because it can be changed into a prime (449773) 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, 139 + ... + 958.

2⁴⁴⁹⁷⁷⁰ is an apocalyptic number.

449770 is a deficient number, since it is larger than the sum of its proper divisors (380318).

449770 is a wasteful number, since it uses less digits than its factorization.

449770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 449770 is about 670.6489394609. The cubic root of 449770 is about 76.6178853722.

The spelling of 449770 in words is "four hundred forty-nine thousand, seven hundred seventy".