390926051 has 4 divisors (see below), whose sum is σ = 391833504. Its totient is φ = 390018600.

The previous prime is 390926017. The next prime is 390926087. The reversal of 390926051 is 150629093.

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

It is a cyclic number.

It is not a de Polignac number, because 390926051 - 2¹⁸ = 390663907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (390920051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453080 + ... + 453941.

It is an arithmetic number, because the mean of its divisors is an integer number (97958376).

Almost surely, 2^390926051 is an apocalyptic number.

390926051 is a deficient number, since it is larger than the sum of its proper divisors (907453).

390926051 is an equidigital number, since it uses as much as digits as its factorization.

390926051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907452.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 390926051 is about 19771.8499640271. The cubic root of 390926051 is about 731.1921790695.

The spelling of 390926051 in words is "three hundred ninety million, nine hundred twenty-six thousand, fifty-one".