40903387 has 12 divisors (see below), whose sum is σ = 47700336. Its totient is φ = 34972560.

The previous prime is 40903381. The next prime is 40903393. The reversal of 40903387 is 78330904.

It is an interprime number because it is at equal distance from previous prime (40903381) and next prime (40903393).

It is not a de Polignac number, because 40903387 - 2⁷ = 40903259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40903381) 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, 25738 + ... + 27280.

It is an arithmetic number, because the mean of its divisors is an integer number (3975028).

Almost surely, 2^40903387 is an apocalyptic number.

40903387 is a deficient number, since it is larger than the sum of its proper divisors (6796949).

40903387 is a wasteful number, since it uses less digits than its factorization.

40903387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098 (or 2091 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 40903387 is about 6395.5755800397. The cubic root of 40903387 is about 344.5506633640.

The spelling of 40903387 in words is "forty million, nine hundred three thousand, three hundred eighty-seven".