38846890 has 8 divisors (see below), whose sum is σ = 69924420. Its totient is φ = 15538752.

The previous prime is 38846879. The next prime is 38846891. The reversal of 38846890 is 9864883.

It can be written as a sum of positive squares in 2 ways, for example, as 38303721 + 543169 = 6189^2 + 737^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 38846890.

It is not an unprimeable number, because it can be changed into a prime (38846891) 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, 1942335 + ... + 1942354.

Almost surely, 2^38846890 is an apocalyptic number.

38846890 is a deficient number, since it is larger than the sum of its proper divisors (31077530).

38846890 is a wasteful number, since it uses less digits than its factorization.

38846890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884696.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 38846890 is about 6232.7273323963. The cubic root of 38846890 is about 338.6767773364.

It can be divided in two parts, 388 and 46890, that added together give a triangular number (47278 = T₃₀₇).

The spelling of 38846890 in words is "thirty-eight million, eight hundred forty-six thousand, eight hundred ninety".