397415 has 8 divisors (see below), whose sum is σ = 485088. Its totient is φ = 312480.

The previous prime is 397379. The next prime is 397427. The reversal of 397415 is 514793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 397415 - 2⁶ = 397351 is a prime.

It is a Duffinian number.

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, 347 + ... + 956.

It is an arithmetic number, because the mean of its divisors is an integer number (60636).

2³⁹⁷⁴¹⁵ is an apocalyptic number.

397415 is a deficient number, since it is larger than the sum of its proper divisors (87673).

397415 is a wasteful number, since it uses less digits than its factorization.

397415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369.

The product of its digits is 3780, while the sum is 29.

The square root of 397415 is about 630.4085976571. The cubic root of 397415 is about 73.5215664728.

Subtracting from 397415 its sum of digits (29), we obtain a triangular number (397386 = T₈₉₁).

The spelling of 397415 in words is "three hundred ninety-seven thousand, four hundred fifteen".