613956406 has 32 divisors (see below), whose sum is σ = 1062496512. Its totient is φ = 260638560.

The previous prime is 613956403. The next prime is 613956433. The reversal of 613956406 is 604659316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613956401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 906540 + ... + 907216.

It is an arithmetic number, because the mean of its divisors is an integer number (33203016).

Almost surely, 2^613956406 is an apocalyptic number.

613956406 is a deficient number, since it is larger than the sum of its proper divisors (448540106).

613956406 is a wasteful number, since it uses less digits than its factorization.

613956406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 613956406 is about 24778.1437157831. The cubic root of 613956406 is about 849.9222101821.

The spelling of 613956406 in words is "six hundred thirteen million, nine hundred fifty-six thousand, four hundred six".