653464 has 24 divisors (see below), whose sum is σ = 1426140. Its totient is φ = 279888.

The previous prime is 653461. The next prime is 653473. The reversal of 653464 is 464356.

653464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

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 (653461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 442 + ... + 1225.

2⁶⁵³⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

653464 is an abundant number, since it is smaller than the sum of its proper divisors (772676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

653464 is a wasteful number, since it uses less digits than its factorization.

653464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687 (or 1676 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 653464 is about 808.3712018621. The cubic root of 653464 is about 86.7775175904. Note that the first 3 decimals are identical.

The spelling of 653464 in words is "six hundred fifty-three thousand, four hundred sixty-four".