613400 has 24 divisors (see below), whose sum is σ = 1426620. Its totient is φ = 245280.

The previous prime is 613381. The next prime is 613421. The reversal of 613400 is 4316.

Added to its reverse (4316) it gives a triangular number (617716 = T₁₁₁₁).

It is a congruent number.

It is an unprimeable number.

613400 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1334 + ... + 1733.

2⁶¹³⁴⁰⁰ is an apocalyptic number.

It is an amenable number.

613400 is an abundant number, since it is smaller than the sum of its proper divisors (813220).

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

613400 is a wasteful number, since it uses less digits than its factorization.

613400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083 (or 3074 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 613400 is about 783.1985699681. The cubic root of 613400 is about 84.9665381553.

Adding to 613400 its reverse (4316), we get a palindrome (617716).

The spelling of 613400 in words is "six hundred thirteen thousand, four hundred".