290426629 has 2 divisors, whose sum is σ = 290426630. Its totient is φ = 290426628.

The previous prime is 290426621. The next prime is 290426651. The reversal of 290426629 is 926624092.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158130625 + 132296004 = 12575^2 + 11502^2 .

It is a cyclic number.

It is not a de Polignac number, because 290426629 - 2³ = 290426621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 290426591 and 290426600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290426621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145213314 + 145213315.

It is an arithmetic number, because the mean of its divisors is an integer number (145213315).

Almost surely, 2^290426629 is an apocalyptic number.

It is an amenable number.

290426629 is a deficient number, since it is larger than the sum of its proper divisors (1).

290426629 is an equidigital number, since it uses as much as digits as its factorization.

290426629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 290426629 is about 17041.9080211108. The cubic root of 290426629 is about 662.2350222626.

The spelling of 290426629 in words is "two hundred ninety million, four hundred twenty-six thousand, six hundred twenty-nine".