748438 has 4 divisors (see below), whose sum is σ = 1122660. Its totient is φ = 374218.

The previous prime is 748387. The next prime is 748441. The reversal of 748438 is 834847.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187108 + ... + 187111.

It is an arithmetic number, because the mean of its divisors is an integer number (280665).

2⁷⁴⁸⁴³⁸ is an apocalyptic number.

748438 is a deficient number, since it is larger than the sum of its proper divisors (374222).

748438 is a wasteful number, since it uses less digits than its factorization.

748438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374221.

The product of its digits is 21504, while the sum is 34.

The square root of 748438 is about 865.1231126262. The cubic root of 748438 is about 90.7929115285.

The spelling of 748438 in words is "seven hundred forty-eight thousand, four hundred thirty-eight".