38421010 has 8 divisors (see below), whose sum is σ = 69157836. Its totient is φ = 15368400.

The previous prime is 38421007. The next prime is 38421023. The reversal of 38421010 is 1012483.

It can be written as a sum of positive squares in 2 ways, for example, as 36590401 + 1830609 = 6049^2 + 1353^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1921041 + ... + 1921060.

Almost surely, 2^38421010 is an apocalyptic number.

38421010 is a deficient number, since it is larger than the sum of its proper divisors (30736826).

38421010 is a wasteful number, since it uses less digits than its factorization.

38421010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3842108.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 38421010 is about 6198.4683591997. The cubic root of 38421010 is about 337.4345844868.

Adding to 38421010 its reverse (1012483), we get a palindrome (39433493).

The spelling of 38421010 in words is "thirty-eight million, four hundred twenty-one thousand, ten".