401497089 has 32 divisors (see below), whose sum is σ = 635043840. Its totient is φ = 220795200.

The previous prime is 401497087. The next prime is 401497091. The reversal of 401497089 is 980794104.

It is an interprime number because it is at equal distance from previous prime (401497087) and next prime (401497091).

It is not a de Polignac number, because 401497089 - 2¹ = 401497087 is a prime.

It is a super-2 number, since 2×401497089² = 322399824950947842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401497089.

It is not an unprimeable number, because it can be changed into a prime (401497087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122727 + ... + 125955.

It is an arithmetic number, because the mean of its divisors is an integer number (19845120).

Almost surely, 2^401497089 is an apocalyptic number.

It is an amenable number.

401497089 is a deficient number, since it is larger than the sum of its proper divisors (233546751).

401497089 is a wasteful number, since it uses less digits than its factorization.

401497089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 401497089 is about 20037.3922704528. The cubic root of 401497089 is about 737.7243758163.

The spelling of 401497089 in words is "four hundred one million, four hundred ninety-seven thousand, eighty-nine".