38477661 has 16 divisors (see below), whose sum is σ = 52300800. Its totient is φ = 25157808.

The previous prime is 38477657. The next prime is 38477671. The reversal of 38477661 is 16677483.

It is not a de Polignac number, because 38477661 - 2² = 38477657 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38477671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41970 + ... + 42876.

It is an arithmetic number, because the mean of its divisors is an integer number (3268800).

Almost surely, 2^38477661 is an apocalyptic number.

It is an amenable number.

38477661 is a deficient number, since it is larger than the sum of its proper divisors (13823139).

38477661 is a wasteful number, since it uses less digits than its factorization.

38477661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168.

The product of its digits is 169344, while the sum is 42.

The square root of 38477661 is about 6203.0364338766. The cubic root of 38477661 is about 337.6003498579.

The spelling of 38477661 in words is "thirty-eight million, four hundred seventy-seven thousand, six hundred sixty-one".