61822838 has 64 divisors (see below), whose sum is σ = 121651200. Its totient is φ = 22861440.

The previous prime is 61822823. The next prime is 61822877. The reversal of 61822838 is 83822816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 486731 + ... + 486857.

It is an arithmetic number, because the mean of its divisors is an integer number (1900800).

Almost surely, 2^61822838 is an apocalyptic number.

61822838 is a deficient number, since it is larger than the sum of its proper divisors (59828362).

61822838 is a wasteful number, since it uses less digits than its factorization.

61822838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285.

The product of its digits is 36864, while the sum is 38.

The square root of 61822838 is about 7862.7500278211. The cubic root of 61822838 is about 395.4118185348.

The spelling of 61822838 in words is "sixty-one million, eight hundred twenty-two thousand, eight hundred thirty-eight".