38790477 has 12 divisors (see below), whose sum is σ = 61124544. Its totient is φ = 23509320.

The previous prime is 38790439. The next prime is 38790497. The reversal of 38790477 is 77409783.

It is not a de Polignac number, because 38790477 - 2¹⁰ = 38789453 is a prime.

It is a super-2 number, since 2×38790477² = 3009402211775058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38790407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195813 + ... + 196010.

It is an arithmetic number, because the mean of its divisors is an integer number (5093712).

Almost surely, 2^38790477 is an apocalyptic number.

It is an amenable number.

38790477 is a deficient number, since it is larger than the sum of its proper divisors (22334067).

38790477 is a wasteful number, since it uses less digits than its factorization.

38790477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391840 (or 391837 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 38790477 is about 6228.2001412928. The cubic root of 38790477 is about 338.5127570944.

The spelling of 38790477 in words is "thirty-eight million, seven hundred ninety thousand, four hundred seventy-seven".