774431 has 8 divisors (see below), whose sum is σ = 890400. Its totient is φ = 659808.

The previous prime is 774427. The next prime is 774439. The reversal of 774431 is 134477.

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 774431 - 2² = 774427 is a prime.

It is a super-2 number, since 2×774431² = 1199486747522, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 774431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774439) 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, 2045 + ... + 2393.

It is an arithmetic number, because the mean of its divisors is an integer number (111300).

2⁷⁷⁴⁴³¹ is an apocalyptic number.

774431 is a deficient number, since it is larger than the sum of its proper divisors (115969).

774431 is a wasteful number, since it uses less digits than its factorization.

774431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673.

The product of its digits is 2352, while the sum is 26.

The square root of 774431 is about 880.0176134601. The cubic root of 774431 is about 91.8320423298.

The spelling of 774431 in words is "seven hundred seventy-four thousand, four hundred thirty-one".