403672120 has 32 divisors (see below), whose sum is σ = 914061600. Its totient is φ = 160437888.

The previous prime is 403672117. The next prime is 403672127. The reversal of 403672120 is 21276304.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403672127) 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, 25860 + ... + 38419.

It is an arithmetic number, because the mean of its divisors is an integer number (28564425).

Almost surely, 2^403672120 is an apocalyptic number.

403672120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

403672120 is an abundant number, since it is smaller than the sum of its proper divisors (510389480).

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

403672120 is a wasteful number, since it uses less digits than its factorization.

403672120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64447 (or 64443 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 403672120 is about 20091.5932668368. The cubic root of 403672120 is about 739.0541360507.

The spelling of 403672120 in words is "four hundred three million, six hundred seventy-two thousand, one hundred twenty".