61852390 has 16 divisors (see below), whose sum is σ = 112997232. Its totient is φ = 24371424.

The previous prime is 61852387. The next prime is 61852393. The reversal of 61852390 is 9325816.

It is an interprime number because it is at equal distance from previous prime (61852387) and next prime (61852393).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61852393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45489 + ... + 46828.

It is an arithmetic number, because the mean of its divisors is an integer number (7062327).

Almost surely, 2^61852390 is an apocalyptic number.

61852390 is a deficient number, since it is larger than the sum of its proper divisors (51144842).

61852390 is a wasteful number, since it uses less digits than its factorization.

61852390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92391.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 61852390 is about 7864.6290440173. The cubic root of 61852390 is about 395.4748122388.

The spelling of 61852390 in words is "sixty-one million, eight hundred fifty-two thousand, three hundred ninety".