851464 has 8 divisors (see below), whose sum is σ = 1596510. Its totient is φ = 425728.

The previous prime is 851449. The next prime is 851471. The reversal of 851464 is 464158.

851464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 656100 + 195364 = 810^2 + 442^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53209 + ... + 53224.

2⁸⁵¹⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

851464 is a deficient number, since it is larger than the sum of its proper divisors (745046).

851464 is a wasteful number, since it uses less digits than its factorization.

851464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106439 (or 106435 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 851464 is about 922.7480696268. The cubic root of 851464 is about 94.7811768666.

The spelling of 851464 in words is "eight hundred fifty-one thousand, four hundred sixty-four".