546494397 has 16 divisors (see below), whose sum is σ = 770880000. Its totient is φ = 343412784.

The previous prime is 546494387. The next prime is 546494401. The reversal of 546494397 is 793494645.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-546494397 is a prime.

It is a super-2 number, since 2×546494397² = 597312251904787218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546494317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12747 + ... + 35432.

It is an arithmetic number, because the mean of its divisors is an integer number (48180000).

Almost surely, 2^546494397 is an apocalyptic number.

546494397 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

546494397 is a deficient number, since it is larger than the sum of its proper divisors (224385603).

546494397 is a wasteful number, since it uses less digits than its factorization.

546494397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48400.

The product of its digits is 3265920, while the sum is 51.

The square root of 546494397 is about 23377.2196165412. The cubic root of 546494397 is about 817.5768226396.

The spelling of 546494397 in words is "five hundred forty-six million, four hundred ninety-four thousand, three hundred ninety-seven".