378490503 has 4 divisors (see below), whose sum is σ = 504654008. Its totient is φ = 252327000.

The previous prime is 378490477. The next prime is 378490523. The reversal of 378490503 is 305094873.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 378490503 - 2¹³ = 378482311 is a prime.

It is a super-2 number, since 2×378490503² = 286510121722386018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378490523) 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, 63081748 + ... + 63081753.

It is an arithmetic number, because the mean of its divisors is an integer number (126163502).

Almost surely, 2^378490503 is an apocalyptic number.

378490503 is a deficient number, since it is larger than the sum of its proper divisors (126163505).

378490503 is a wasteful number, since it uses less digits than its factorization.

378490503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126163504.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 378490503 is about 19454.8323816989. The cubic root of 378490503 is about 723.3552906376.

The spelling of 378490503 in words is "three hundred seventy-eight million, four hundred ninety thousand, five hundred three".