401730434 has 32 divisors (see below), whose sum is σ = 731151360. Its totient is φ = 161607168.

The previous prime is 401730431. The next prime is 401730437. The reversal of 401730434 is 434037104.

It is an interprime number because it is at equal distance from previous prime (401730431) and next prime (401730437).

It is a super-2 number, since 2×401730434² = 322774683203656712, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (401730431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95279 + ... + 99405.

It is an arithmetic number, because the mean of its divisors is an integer number (22848480).

Almost surely, 2^401730434 is an apocalyptic number.

401730434 is a deficient number, since it is larger than the sum of its proper divisors (329420926).

401730434 is a wasteful number, since it uses less digits than its factorization.

401730434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 401730434 is about 20043.2141634020. The cubic root of 401730434 is about 737.8672668115.

Adding to 401730434 its reverse (434037104), we get a palindrome (835767538).

The spelling of 401730434 in words is "four hundred one million, seven hundred thirty thousand, four hundred thirty-four".