401601748 has 6 divisors (see below), whose sum is σ = 702803066. Its totient is φ = 200800872.

The previous prime is 401601713. The next prime is 401601751. The reversal of 401601748 is 847106104.

It can be written as a sum of positive squares in only one way, i.e., 259467664 + 142134084 = 16108^2 + 11922^2 .

It is a super-2 number, since 2×401601748² = 322567927993311008, which contains 22 as substring.

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, 50200215 + ... + 50200222.

Almost surely, 2^401601748 is an apocalyptic number.

It is an amenable number.

401601748 is a deficient number, since it is larger than the sum of its proper divisors (301201318).

401601748 is a wasteful number, since it uses less digits than its factorization.

401601748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100400441 (or 100400439 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 401601748 is about 20040.0036926144. The cubic root of 401601748 is about 737.7884715800.

The spelling of 401601748 in words is "four hundred one million, six hundred one thousand, seven hundred forty-eight".