403673420 has 12 divisors (see below), whose sum is σ = 847714224. Its totient is φ = 161469360.

The previous prime is 403673407. The next prime is 403673423. The reversal of 403673420 is 24376304.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (403673423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10091816 + ... + 10091855.

It is an arithmetic number, because the mean of its divisors is an integer number (70642852).

Almost surely, 2^403673420 is an apocalyptic number.

It is an amenable number.

403673420 is an abundant number, since it is smaller than the sum of its proper divisors (444040804).

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

403673420 is a wasteful number, since it uses less digits than its factorization.

403673420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20183680 (or 20183678 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 403673420 is about 20091.6256186502. The cubic root of 403673420 is about 739.0549294086.

The spelling of 403673420 in words is "four hundred three million, six hundred seventy-three thousand, four hundred twenty".