6997438 has 16 divisors (see below), whose sum is σ = 12701664. Its totient is φ = 2822400.

The previous prime is 6997411. The next prime is 6997457. The reversal of 6997438 is 8347996.

It is a d-powerful number, because it can be written as 6⁸ + 9⁶ + 9⁷ + 7⁴ + 4⁴ + 3⁵ + 8³ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14463 + ... + 14938.

It is an arithmetic number, because the mean of its divisors is an integer number (793854).

Almost surely, 2^6997438 is an apocalyptic number.

6997438 is a deficient number, since it is larger than the sum of its proper divisors (5704226).

6997438 is a wasteful number, since it uses less digits than its factorization.

6997438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29427.

The product of its digits is 326592, while the sum is 46.

The square root of 6997438 is about 2645.2670942648. The cubic root of 6997438 is about 191.2697776690.

The spelling of 6997438 in words is "six million, nine hundred ninety-seven thousand, four hundred thirty-eight".