38661654 has 16 divisors (see below), whose sum is σ = 77575680. Its totient is φ = 12845160.

The previous prime is 38661653. The next prime is 38661659. The reversal of 38661654 is 45616683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38661653) 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, 8494 + ... + 12225.

It is an arithmetic number, because the mean of its divisors is an integer number (4848480).

Almost surely, 2^38661654 is an apocalyptic number.

38661654 is an abundant number, since it is smaller than the sum of its proper divisors (38914026).

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

38661654 is a wasteful number, since it uses less digits than its factorization.

38661654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21035.

The product of its digits is 103680, while the sum is 39.

The square root of 38661654 is about 6217.8496282879. The cubic root of 38661654 is about 338.1376083827.

The spelling of 38661654 in words is "thirty-eight million, six hundred sixty-one thousand, six hundred fifty-four".