61590038 has 4 divisors (see below), whose sum is σ = 92385060. Its totient is φ = 30795018.

The previous prime is 61590037. The next prime is 61590079. The reversal of 61590038 is 83009516.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 61589986 and 61590013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61590037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15397508 + ... + 15397511.

It is an arithmetic number, because the mean of its divisors is an integer number (23096265).

Almost surely, 2^61590038 is an apocalyptic number.

61590038 is a deficient number, since it is larger than the sum of its proper divisors (30795022).

61590038 is a wasteful number, since it uses less digits than its factorization.

61590038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30795021.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 61590038 is about 7847.9320843137. The cubic root of 61590038 is about 394.9148735000.

The spelling of 61590038 in words is "sixty-one million, five hundred ninety thousand, thirty-eight".