61838315 has 16 divisors (see below), whose sum is σ = 92517120. Its totient is φ = 38548320.

The previous prime is 61838297. The next prime is 61838321. The reversal of 61838315 is 51383816.

It is not a de Polignac number, because 61838315 - 2⁶ = 61838251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 79925 + ... + 80694.

It is an arithmetic number, because the mean of its divisors is an integer number (5782320).

Almost surely, 2^61838315 is an apocalyptic number.

61838315 is a deficient number, since it is larger than the sum of its proper divisors (30678805).

61838315 is a wasteful number, since it uses less digits than its factorization.

61838315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160642.

The product of its digits is 17280, while the sum is 35.

The square root of 61838315 is about 7863.7341638690. The cubic root of 61838315 is about 395.4448121571. Note that the first 3 decimals are identical.

The spelling of 61838315 in words is "sixty-one million, eight hundred thirty-eight thousand, three hundred fifteen".