403734016 has 80 divisors (see below), whose sum is σ = 930226176. Its totient is φ = 171472896.

The previous prime is 403734013. The next prime is 403734017. The reversal of 403734016 is 610437304.

It is a super-3 number, since 3×403734016³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403734013) 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, 454725 + ... + 455611.

Almost surely, 2^403734016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403734016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465113088).

403734016 is an abundant number, since it is smaller than the sum of its proper divisors (526492160).

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

403734016 is an equidigital number, since it uses as much as digits as its factorization.

403734016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039 (or 1023 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 403734016 is about 20093.1335535302. The cubic root of 403734016 is about 739.0919077592.

The spelling of 403734016 in words is "four hundred three million, seven hundred thirty-four thousand, sixteen".