38140902 has 16 divisors (see below), whose sum is σ = 84757680. Its totient is φ = 12713616.

The previous prime is 38140873. The next prime is 38140903. The reversal of 38140902 is 20904183.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38140903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353103 + ... + 353210.

It is an arithmetic number, because the mean of its divisors is an integer number (5297355).

Almost surely, 2^38140902 is an apocalyptic number.

38140902 is an abundant number, since it is smaller than the sum of its proper divisors (46616778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38140902 is a wasteful number, since it uses less digits than its factorization.

38140902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706324 (or 706318 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 38140902 is about 6175.8320896864. The cubic root of 38140902 is about 336.6125624043.

The spelling of 38140902 in words is "thirty-eight million, one hundred forty thousand, nine hundred two".