372828403 has 4 divisors (see below), whose sum is σ = 372919968. Its totient is φ = 372736840.

The previous prime is 372828389. The next prime is 372828409. The reversal of 372828403 is 304828273.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304828273 = 167 ⋅1825319.

It is a cyclic number.

It is not a de Polignac number, because 372828403 - 2⁹ = 372827891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (372828409) 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, 39376 + ... + 47917.

It is an arithmetic number, because the mean of its divisors is an integer number (93229992).

Almost surely, 2^372828403 is an apocalyptic number.

372828403 is a deficient number, since it is larger than the sum of its proper divisors (91565).

372828403 is an equidigital number, since it uses as much as digits as its factorization.

372828403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91564.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 372828403 is about 19308.7649268409. The cubic root of 372828403 is about 719.7300962371.

It can be divided in two parts, 3728 and 28403, that added together give a triangular number (32131 = T₂₅₃).

The spelling of 372828403 in words is "three hundred seventy-two million, eight hundred twenty-eight thousand, four hundred three".