38742004 has 24 divisors (see below), whose sum is σ = 77793408. Its totient is φ = 16537440.

The previous prime is 38742001. The next prime is 38742019. The reversal of 38742004 is 40024783.

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

It is a pancake number, because a pancake can be divided into 38742004 parts by 8802 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38742001) 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, 4734 + ... + 9994.

It is an arithmetic number, because the mean of its divisors is an integer number (3241392).

Almost surely, 2^38742004 is an apocalyptic number.

It is an amenable number.

38742004 is an abundant number, since it is smaller than the sum of its proper divisors (39051404).

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

38742004 is a wasteful number, since it uses less digits than its factorization.

38742004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5535 (or 5533 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 38742004 is about 6224.3075116835. The cubic root of 38742004 is about 338.3716952519.

Adding to 38742004 its reverse (40024783), we get a palindrome (78766787).

The spelling of 38742004 in words is "thirty-eight million, seven hundred forty-two thousand, four".