38402955 has 24 divisors (see below), whose sum is σ = 68714880. Its totient is φ = 19820160.

The previous prime is 38402941. The next prime is 38402957. The reversal of 38402955 is 55920483.

It is not a de Polignac number, because 38402955 - 2⁹ = 38402443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38402957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12370 + ... + 15159.

It is an arithmetic number, because the mean of its divisors is an integer number (2863120).

Almost surely, 2^38402955 is an apocalyptic number.

38402955 is a deficient number, since it is larger than the sum of its proper divisors (30311925).

38402955 is a wasteful number, since it uses less digits than its factorization.

38402955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27571 (or 27568 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 38402955 is about 6197.0117798823. The cubic root of 38402955 is about 337.3817198693.

The spelling of 38402955 in words is "thirty-eight million, four hundred two thousand, nine hundred fifty-five".