401613724 has 6 divisors (see below), whose sum is σ = 702824024. Its totient is φ = 200806860.

The previous prime is 401613703. The next prime is 401613739. The reversal of 401613724 is 427316104.

It is a super-3 number, since 3×401613724³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 401613692 and 401613701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50201712 + ... + 50201719.

Almost surely, 2^401613724 is an apocalyptic number.

It is an amenable number.

401613724 is a deficient number, since it is larger than the sum of its proper divisors (301210300).

401613724 is a wasteful number, since it uses less digits than its factorization.

401613724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100403435 (or 100403433 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 401613724 is about 20040.3024927270. The cubic root of 401613724 is about 737.7958052689.

Adding to 401613724 its reverse (427316104), we get a palindrome (828929828).

It can be divided in two parts, 401 and 613724, that added together give a cube (614125 = 85³).

The spelling of 401613724 in words is "four hundred one million, six hundred thirteen thousand, seven hundred twenty-four".