407869 has 8 divisors (see below), whose sum is σ = 508608. Its totient is φ = 317760.

The previous prime is 407861. The next prime is 407879. The reversal of 407869 is 968704.

407869 = T₆₂ + T₆₃ + ... + T₁₃₈.

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

It is a cyclic number.

It is not a de Polignac number, because 407869 - 2³ = 407861 is a prime.

It is a super-2 number, since 2×407869² = 332714242322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2572 + ... + 2725.

It is an arithmetic number, because the mean of its divisors is an integer number (63576).

2⁴⁰⁷⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

407869 is a deficient number, since it is larger than the sum of its proper divisors (100739).

407869 is a wasteful number, since it uses less digits than its factorization.

407869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5315.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 407869 is about 638.6462244467. The cubic root of 407869 is about 74.1606565568.

The spelling of 407869 in words is "four hundred seven thousand, eight hundred sixty-nine".