38461537 has 8 divisors (see below), whose sum is σ = 40150952. Its totient is φ = 36806400.

The previous prime is 38461513. The next prime is 38461541. The reversal of 38461537 is 73516483.

It can be written as a sum of positive squares in 4 ways, for example, as 10751841 + 27709696 = 3279^2 + 5264^2 .

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 38461537 - 2²³ = 30072929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38461496 and 38461505.

It is not an unprimeable number, because it can be changed into a prime (38461637) 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, 6264 + ... + 10777.

It is an arithmetic number, because the mean of its divisors is an integer number (5018869).

Almost surely, 2^38461537 is an apocalyptic number.

38461537 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

38461537 is a deficient number, since it is larger than the sum of its proper divisors (1689415).

38461537 is a wasteful number, since it uses less digits than its factorization.

38461537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17139.

The product of its digits is 60480, while the sum is 37.

The square root of 38461537 is about 6201.7366116274. The cubic root of 38461537 is about 337.5531863139.

The spelling of 38461537 in words is "thirty-eight million, four hundred sixty-one thousand, five hundred thirty-seven".