61830406 has 16 divisors (see below), whose sum is σ = 101544768. Its totient is φ = 28002600.

The previous prime is 61830361. The next prime is 61830437. The reversal of 61830406 is 60403816.

It is a super-2 number, since 2×61830406² = 7645998212249672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261 + ... + 11191.

It is an arithmetic number, because the mean of its divisors is an integer number (6346548).

Almost surely, 2^61830406 is an apocalyptic number.

61830406 is a deficient number, since it is larger than the sum of its proper divisors (39714362).

61830406 is a wasteful number, since it uses less digits than its factorization.

61830406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10227.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 61830406 is about 7863.2312696499. The cubic root of 61830406 is about 395.4279525646.

The spelling of 61830406 in words is "sixty-one million, eight hundred thirty thousand, four hundred six".