425937838 has 4 divisors (see below), whose sum is σ = 638906760. Its totient is φ = 212968918.

The previous prime is 425937781. The next prime is 425937847. The reversal of 425937838 is 838739524.

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

It is a super-2 number, since 2×425937838² = 362846083680228488, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 425937791 and 425937800.

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, 106484458 + ... + 106484461.

It is an arithmetic number, because the mean of its divisors is an integer number (159726690).

Almost surely, 2^425937838 is an apocalyptic number.

425937838 is a deficient number, since it is larger than the sum of its proper divisors (212968922).

425937838 is a wasteful number, since it uses less digits than its factorization.

425937838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212968921.

The product of its digits is 1451520, while the sum is 49.

The square root of 425937838 is about 20638.2615062413. The cubic root of 425937838 is about 752.3999200244.

The spelling of 425937838 in words is "four hundred twenty-five million, nine hundred thirty-seven thousand, eight hundred thirty-eight".