61448384 has 14 divisors (see below), whose sum is σ = 121936764. Its totient is φ = 30724160.

The previous prime is 61448377. The next prime is 61448449. The reversal of 61448384 is 48384416.

It is a super-2 number, since 2×61448384² = 7551807792422912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480002 + ... + 480129.

Almost surely, 2^61448384 is an apocalyptic number.

61448384 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

61448384 is a deficient number, since it is larger than the sum of its proper divisors (60488380).

61448384 is an equidigital number, since it uses as much as digits as its factorization.

61448384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960143 (or 960133 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 61448384 is about 7838.9019639233. The cubic root of 61448384 is about 394.6118796200.

The spelling of 61448384 in words is "sixty-one million, four hundred forty-eight thousand, three hundred eighty-four".