401347536 has 40 divisors (see below), whose sum is σ = 1042266624. Its totient is φ = 133079040.

The previous prime is 401347519. The next prime is 401347537. The reversal of 401347536 is 635743104.

It is a super-2 number, since 2×401347536² = 322159689306542592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401347497 and 401347506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401347537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12721 + ... + 31056.

Almost surely, 2^401347536 is an apocalyptic number.

It is an amenable number.

401347536 is an abundant number, since it is smaller than the sum of its proper divisors (640919088).

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

401347536 is a wasteful number, since it uses less digits than its factorization.

401347536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43979 (or 43973 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 401347536 is about 20033.6600749838. The cubic root of 401347536 is about 737.6327665218.

The spelling of 401347536 in words is "four hundred one million, three hundred forty-seven thousand, five hundred thirty-six".