38355461 has 4 divisors (see below), whose sum is σ = 38374092. Its totient is φ = 38336832.

The previous prime is 38355409. The next prime is 38355481. The reversal of 38355461 is 16455383.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23961025 + 14394436 = 4895^2 + 3794^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38355461 is a prime.

It is a super-2 number, since 2×38355461² = 2942282777045042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38355481) 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, 5780 + ... + 10493.

It is an arithmetic number, because the mean of its divisors is an integer number (9593523).

Almost surely, 2^38355461 is an apocalyptic number.

It is an amenable number.

38355461 is a deficient number, since it is larger than the sum of its proper divisors (18631).

38355461 is a wasteful number, since it uses less digits than its factorization.

38355461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18630.

The product of its digits is 43200, while the sum is 35.

The square root of 38355461 is about 6193.1785861543. The cubic root of 38355461 is about 337.2425793825.

The spelling of 38355461 in words is "thirty-eight million, three hundred fifty-five thousand, four hundred sixty-one".