401384744 has 16 divisors (see below), whose sum is σ = 753020820. Its totient is φ = 200579200.

The previous prime is 401384743. The next prime is 401384827. The reversal of 401384744 is 447483104.

It can be written as a sum of positive squares in 2 ways, for example, as 371024644 + 30360100 = 19262^2 + 5510^2 .

It is a super-2 number, since 2×401384744² = 322219425431891072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401384743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2012 + ... + 28404.

Almost surely, 2^401384744 is an apocalyptic number.

It is an amenable number.

401384744 is a deficient number, since it is larger than the sum of its proper divisors (351636076).

401384744 is a wasteful number, since it uses less digits than its factorization.

401384744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28300 (or 28296 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 401384744 is about 20034.5886905621. The cubic root of 401384744 is about 737.6555605589.

The spelling of 401384744 in words is "four hundred one million, three hundred eighty-four thousand, seven hundred forty-four".