38490451 has 8 divisors (see below), whose sum is σ = 39332304. Its totient is φ = 37655520.

The previous prime is 38490427. The next prime is 38490467. The reversal of 38490451 is 15409483.

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

It is a cyclic number.

It is not a de Polignac number, because 38490451 - 2¹¹ = 38488403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38490421) 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, 10416 + ... + 13618.

It is an arithmetic number, because the mean of its divisors is an integer number (4916538).

Almost surely, 2^38490451 is an apocalyptic number.

38490451 is a deficient number, since it is larger than the sum of its proper divisors (841853).

38490451 is a wasteful number, since it uses less digits than its factorization.

38490451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 38490451 is about 6204.0672949284. The cubic root of 38490451 is about 337.6377519074.

The spelling of 38490451 in words is "thirty-eight million, four hundred ninety thousand, four hundred fifty-one".