38201649 has 16 divisors (see below), whose sum is σ = 52607808. Its totient is φ = 24639552.

The previous prime is 38201599. The next prime is 38201659. The reversal of 38201649 is 94610283.

It is not a de Polignac number, because 38201649 - 2¹⁵ = 38168881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38201659) 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, 20994 + ... + 22740.

It is an arithmetic number, because the mean of its divisors is an integer number (3287988).

Almost surely, 2^38201649 is an apocalyptic number.

It is an amenable number.

38201649 is a deficient number, since it is larger than the sum of its proper divisors (14406159).

38201649 is a wasteful number, since it uses less digits than its factorization.

38201649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 38201649 is about 6180.7482556726. The cubic root of 38201649 is about 336.7911751787.

The spelling of 38201649 in words is "thirty-eight million, two hundred one thousand, six hundred forty-nine".