674949 has 16 divisors (see below), whose sum is σ = 995904. Its totient is φ = 403200.

The previous prime is 674941. The next prime is 674953. The reversal of 674949 is 949476.

It is not a de Polignac number, because 674949 - 2³ = 674941 is a prime.

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

674949 is a lucky number.

It is a nialpdrome in base 11.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3639 + ... + 3819.

It is an arithmetic number, because the mean of its divisors is an integer number (62244).

2⁶⁷⁴⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

674949 is a deficient number, since it is larger than the sum of its proper divisors (320955).

674949 is a wasteful number, since it uses less digits than its factorization.

674949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308.

The product of its digits is 54432, while the sum is 39.

The square root of 674949 is about 821.5527980599. The cubic root of 674949 is about 87.7183228329.

The spelling of 674949 in words is "six hundred seventy-four thousand, nine hundred forty-nine".