403475212 has 72 divisors (see below), whose sum is σ = 874767600. Its totient is φ = 162357888.

The previous prime is 403475207. The next prime is 403475243. The reversal of 403475212 is 212574304.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 962739 + ... + 963157.

It is an arithmetic number, because the mean of its divisors is an integer number (12149550).

Almost surely, 2^403475212 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 403475212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437383800).

403475212 is an abundant number, since it is smaller than the sum of its proper divisors (471292388).

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

403475212 is a wasteful number, since it uses less digits than its factorization.

403475212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 403475212 is about 20086.6924106484. The cubic root of 403475212 is about 738.9339482934.

The spelling of 403475212 in words is "four hundred three million, four hundred seventy-five thousand, two hundred twelve".