38423628 has 36 divisors (see below), whose sum is σ = 99197280. Its totient is φ = 12534816.

The previous prime is 38423617. The next prime is 38423633. The reversal of 38423628 is 82632483.

38423628 is a `hidden beast` number, since 3 + 8 + 4 + 23 + 628 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 38423592 and 38423601.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9663 + ... + 13046.

It is an arithmetic number, because the mean of its divisors is an integer number (2755480).

Almost surely, 2^38423628 is an apocalyptic number.

It is an amenable number.

38423628 is an abundant number, since it is smaller than the sum of its proper divisors (60773652).

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

38423628 is a wasteful number, since it uses less digits than its factorization.

38423628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22766 (or 22761 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 38423628 is about 6198.6795368046. The cubic root of 38423628 is about 337.4422485546.

The spelling of 38423628 in words is "thirty-eight million, four hundred twenty-three thousand, six hundred twenty-eight".