611428436 has 48 divisors (see below), whose sum is σ = 1149711360. Its totient is φ = 283668480.

The previous prime is 611428429. The next prime is 611428451. The reversal of 611428436 is 634824116.

Its product of digits (27648) is a multiple of the sum of its prime factors (864).

It is a junction number, because it is equal to n+sod(n) for n = 611428396 and 611428405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1059380 + ... + 1059956.

It is an arithmetic number, because the mean of its divisors is an integer number (23952320).

Almost surely, 2^611428436 is an apocalyptic number.

It is an amenable number.

611428436 is a deficient number, since it is larger than the sum of its proper divisors (538282924).

611428436 is a wasteful number, since it uses less digits than its factorization.

611428436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864 (or 862 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 611428436 is about 24727.0790025834. The cubic root of 611428436 is about 848.7540851485.

The spelling of 611428436 in words is "six hundred eleven million, four hundred twenty-eight thousand, four hundred thirty-six".