61230384 has 80 divisors (see below), whose sum is σ = 180092640. Its totient is φ = 19906560.

The previous prime is 61230373. The next prime is 61230401. The reversal of 61230384 is 48303216.

61230384 = 1202² + 1203² + ... + 1242².

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 15984 + ... + 19440.

It is an arithmetic number, because the mean of its divisors is an integer number (2251158).

Almost surely, 2^61230384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61230384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90046320).

61230384 is an abundant number, since it is smaller than the sum of its proper divisors (118862256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61230384 is a wasteful number, since it uses less digits than its factorization.

61230384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515 (or 3503 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 61230384 is about 7824.9846006238. The cubic root of 61230384 is about 394.1446727509.

The spelling of 61230384 in words is "sixty-one million, two hundred thirty thousand, three hundred eighty-four".